2010 JAGUAR XFR Workshop Manual

set clock mileage engine oil infotainment tow bar length

Page 105 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 11-May-2011
General Information - Window Glass Health and Safety Precautions
Description and Operation
WARNINGS:

Cured polyurethane (PU) adhesive can degrade if subjected to high temp

Page 106 of 3039

JAGUAR XFR 2010 1.G Workshop Manual Published: 17-Apr-2014
General Information - Diagnostic Trouble Code (DTC) Index DTC: Adaptive
Damping Module (SUMB)
Description and Operation

Adaptive Damping Module (SUMB)

CAUTION: Diagno

Published: 17-Apr-2014
General Information - Diagnostic Trouble Code (DTC) Index DTC: Adaptive
Damping Module (SUMB)
Description and Operation

Adaptive Damping Module (SUMB)

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not
guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle
NOTES:

If the control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the
warranty policy and procedures manual, or determine if any prior approval programme is in operation, prior to the installation
of a new module/component

Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to
the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the
manufacturer-approved diagnostic system)

When performing voltage or resistance tests, always use a digital multimeter accurate to three decimal places and with a
current calibration certificate. When testing resistance, always take the resistance of the digital multimeter leads into account

Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests

Inspect connectors for signs of water ingress, and pins for damage and/or corrosion

If diagnostic trouble codes are recorded and, after performing the pinpoint tests, a fault is not present, an intermittent
concern may be the cause. Always check for loose connections and corroded terminals

Where an 'on demand self-test' is referred to, this can be accessed via the 'diagnostic trouble code monitor' tab on the
manufacturers approved diagnostic system

Check DDW for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific
customer complaint and carry out the recommendations as required

he table below lists all diagnostic trouble codes (DTCs) that could be logged in the adaptive damping module, for additional
diagnosis and testing information refer to the relevant diagnosis and testing section
For additional information, refer to: Vehicle Dynamic Suspension (204-05 Vehicle Dynamic Suspension, Diagnosis and Testing).

DTC Description Possible Causes Action C101D-12
Left Front
vertical
acceleration
sensor - Short
to power
Left Front vertical
acceleration sensor
circuit short to power
Refer to the electrical circuit diagrams and check left front
vertical acceleration sensor circuit for short to power or
another circuit. Repair circuit, clear the DTC and retest the
system C101D-14
Left Front
vertical
acceleration
sensor - Short
to ground, open
circuit
Left Front vertical
acceleration sensor
circuit short to
ground, open circuit
Vertical acceleration
sensor fault
Refer to the electrical circuit diagrams and check front vertical
acceleration sensor circuit for short to ground, open circuit. If
no fault found on wiring suspect sensor. Replace sensor, clear
DTC and retest the system C101D-22
Left Front
vertical
acceleration
sensor - Signal
amplitude >
maximum
Left front vertical
acceleration sensor
insecurely mounted
Left front vertical
acceleration sensor
signal circuit short to
another circuit
Left front vertical
acceleration sensor
With vehicle parked on a level surface, read Left Front Vertical
Accelerometer voltage and check it lies in range 1.9 to 2.1
volts. If not OK then check electrical wiring for shorts, loose
connections and repair as required. If wiring OK then suspect
faulty sensor/incorrectly fitted sensor. Check the sensor is
correctly mounted, secure or replace sensor as required. Refer
to the new module/component installation note at the top of
the DTC Index, clear DTC and retest system

Page 107 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action internal fault
C101D-26
Left Front
vertical
acceleration
sensor - Signal
rate of change
below threshold
Left front vertical
acceleration sensor
s

DTC Description Possible Causes Action internal fault
C101D-26
Left Front
vertical
acceleration
sensor - Signal
rate of change
below threshold
Left front vertical
acceleration sensor
signal circuit short to
another circuit
Left front vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Left Front
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C101D-78
Left Front
vertical
acceleration
sensor -
Alignment or
adjustment
incorrect
Left front vertical
acceleration sensor
bracket bent
Left front vertical
acceleration sensor
damaged
Check Left Front Vertical Accelerometer for location and
security, if correct suspect faulty Accelerometer, refer to the
new module installation note at the top of the DTC Index.
Replace the sensor/bracket as required, clear the DTC and
retest the system C101E-12
Right Front
vertical
acceleration
sensor - Short
to power
Right Front vertical
acceleration sensor
circuit short to power
Refer to the electrical circuit diagrams and check right front
vertical acceleration sensor circuit for short to power or
another circuit. Repair circuit, clear the DTC and retest the
system C101E-14
Right Front
vertical
acceleration
sensor - Short
to ground, open
circuit
Right Front vertical
acceleration sensor
circuit short to
ground, open circuit
Vertical acceleration
sensor fault
Refer to the electrical circuit diagrams and check right front
vertical acceleration sensor circuit for short to ground, open
circuit. If no fault found on wiring suspect sensor. Replace
sensor, clear DTC and retest the system C101E-22
Right Front
vertical
acceleration
sensor - Signal
amplitude >
maximum
Right front vertical
acceleration sensor
insecurely mounted
Right front vertical
acceleration sensor
signal circuit short to
another circuit
Right front vertical
acceleration sensor
internal fault
With vehicle parked on a level surface, read Right Front
Vertical Accelerometer voltage and check it lies in range 1.9 to
2.1 volts. If not OK then check electrical wiring for shorts,
loose connections and repair as required. If wiring OK then
suspect faulty sensor/incorrectly fitted sensor. Check the
sensor is correctly mounted, secure or replace sensor as
required. Refer to the new module/component installation
note at the top of the DTC Index, clear DTC and retest system C101E-26
Right Front
vertical
acceleration
sensor - Signal
rate of change
below threshold
Right front vertical
acceleration sensor
signal circuit short to
another circuit
Right front vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Right Front
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C101E-78 Right Front
Right front vertical
Check Right Front Vertical Accelerometer for location and vertical acceleration acceleration sensor security, if correct suspect faulty Accelerometer, refer to the sensor - bracket bent new module installation note at the top of the DTC Index. Alignment or Right front vertical Replace the sensor/bracket as required, clear the DTC and adjustment acceleration sensor retest the system incorrect damaged C1024-00
System Temporarily
Disabled Due To
Power
Interruption
During Driving -
No sub type
information
Loss of power to
control module whilst
driving
Refer to the electrical circuit diagrams and check power and
ground circuits to Adaptive Damping Control Module for
intermittent or poor connection. Repair wiring circuits as
required, clear DTC and retest the system C1030-12
Left Rear
vertical
acceleration
sensor - Short
to power
Left Rear vertical
acceleration sensor
circuit short to power
Refer to the electrical circuit diagrams and check left Rear
vertical acceleration sensor circuit for short to power or
another circuit. Repair circuit, clear the DTC and retest the
system

Page 108 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action C1030-14
Left Rear
vertical
acceleration
sensor - Short
to ground, open
circuit
Left rear vertical
acceleration sensor
circuit short to
ground, open

DTC Description Possible Causes Action C1030-14
Left Rear
vertical
acceleration
sensor - Short
to ground, open
circuit
Left rear vertical
acceleration sensor
circuit short to
ground, open circuit
Vertical acceleration
sensor fault
Refer to the electrical circuit diagrams and check left Rear
vertical acceleration sensor circuit for short to ground, open
circuit. If no fault found on wiring suspect sensor. Replace
sensor, clear DTC and retest the system C1030-22
Left Rear
vertical
acceleration
sensor - Signal
amplitude >
maximum
Left Rear vertical
acceleration sensor
insecurely mounted
Left Rear vertical
acceleration sensor
signal circuit short to
another circuit
Left Rear vertical
acceleration sensor
internal fault
With vehicle parked on a level surface, read Left Rear Vertical
Accelerometer voltage and check it lies in range 1.9 to 2.1
volts. If not OK then check electrical wiring for shorts, loose
connections and repair as required. If wiring OK then suspect
faulty sensor/incorrectly fitted sensor. Check the sensor is
correctly mounted, secure or replace sensor as required. Refer
to the new module/component installation note at the top of
the DTC Index, clear DTC and retest system C1030-26
Left Rear
vertical
acceleration
sensor - Signal
rate of change
below threshold
Left Rear vertical
acceleration sensor
signal circuit short to
another circuit
Left Rear vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Left Rear
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C1030-78
Left Rear
vertical
acceleration
sensor -
Alignment or
adjustment
incorrect
Left Rear vertical
acceleration sensor
bracket bent
Left Rear vertical
acceleration sensor
damaged
Check Left Rear Vertical Accelerometer for location and
security, if correct suspect faulty Accelerometer, refer to the
new module installation note at the top of the DTC Index.
Replace the sensor/bracket as required, clear the DTC and
retest the system C1A03-12
Left Front
Height Sensor -
Circuit short to
power
Height sensor circuit
shorted to another
cable
Height sensor internal
fault
Refer to the electrical circuit diagrams and check Front Left
Height Sensor circuit for short to power, If circuit correct
suspect Sensor internal fault, replace as required C1A03-14
Left Front
Height Sensor -
Circuit short to
ground or open
Wiring to sensor
(signal) open circuit
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor internal
electrical fault
Disconnect electrical connector to height sensor and inspect
connector pins & terminals for evidence of corrosion or water
ingress. If no corrosion found, disconnect harness at Control
Module. A: Check for short circuits between any of the 3
terminals and vehicle ground. B: Check for electrical continuity
between the two connectors for each of the 3 terminals.
Reconnect electrical connector at Control Module only. C:
Check voltages at terminals within height sensor connector
(sensor not connected), with respect to vehicle body. •
Voltage to sensor ground connection should be ~0v • Voltage
to sensor signal connection should be ~0v • Voltage to sensor
supply connection should be ~5v All voltages should be within
± 0.15v C1A03-21
Left Front
Height Sensor -
Signal amplitude
< minimum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height

Page 109 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted sensors, electrical connectors or shaft end. Check for
excessive movement in

DTC Description Possible Causes Action electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A03-22
Left Front
Height Sensor -
Signal amplitude
> maximum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height
sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A03-76
Left Front
Height Sensor -
Wrong mounting position
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system C1A03-78
Left Front
Height Sensor -
Alignment or
adjustment
incorrect
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system

Page 110 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action C1A04-12
Right Front
Height Sensor -
Circuit short to
power
Height sensor circuit
shorted to another
cable
Height sensor internal
fault
Refer to th

DTC Description Possible Causes Action C1A04-12
Right Front
Height Sensor -
Circuit short to
power
Height sensor circuit
shorted to another
cable
Height sensor internal
fault
Refer to the electrical circuit diagrams and check Front Right
Height Sensor circuit for short to power, If circuit correct
suspect Sensor internal fault, replace as required C1A04-14
Right Front
Height Sensor -
Circuit short to
ground or open
Wiring to sensor
(signal) open circuit
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor internal
electrical fault
Disconnect electrical connector to height sensor and inspect
connector pins & terminals for evidence of corrosion or water
ingress. If no corrosion found, disconnect harness at Control
Module. A: Check for short circuits between any of the 3
terminals and vehicle ground. B: Check for electrical continuity
between the two connectors for each of the 3 terminals.
Reconnect electrical connector at Control Module only. C:
Check voltages at terminals within height sensor connector
(sensor not connected), with respect to vehicle body. •
Voltage to sensor ground connection should be ~0v • Voltage
to sensor signal connection should be ~0v • Voltage to sensor
supply connection should be ~5v All voltages should be within
± 0.15v C1A04-21
Right Front
Height Sensor -
Signal amplitude
< minimum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height
sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A04-22
Right Front
Height Sensor -
Signal amplitude
> maximum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within www.JagDocs.com

Page 111 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect hei

DTC Description Possible Causes Action sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height
sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A04-76
Right Front
Height Sensor -
Wrong mounting position
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system C1A04-78
Right Front
Height Sensor -
Alignment or
adjustment
incorrect
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system C1A05-12
Left Rear Height
Sensor - Circuit
short to power
Height sensor circuit
shorted to another
cable
Height sensor internal
fault
Refer to the electrical circuit diagrams and check Rear Left
Height Sensor circuit for short to power, If circuit correct
suspect Sensor internal fault, replace as required C1A05-14
Left Rear Height
Sensor - Circuit
short to ground
or open
Wiring to sensor
(signal) open circuit
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor internal
electrical fault
Disconnect electrical connector to height sensor and inspect
connector pins & terminals for evidence of corrosion or water
ingress. If no corrosion found, disconnect harness at Control
Module. A: Check for short circuits between any of the 3
terminals and vehicle ground. B: Check for electrical continuity
between the two connectors for each of the 3 terminals.
Reconnect electrical connector at Control Module only. C:
Check voltages at terminals within height sensor connector
(sensor not connected), with respect to vehicle body. •
Voltage to sensor ground connection should be ~0v • Voltage
to sensor signal connection should be ~0v • Voltage to sensor
supply connection should be ~5v All voltages should be within
± 0.15v C1A05-21
Left Rear Height
Sensor - Signal
amplitude <
minimum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All

Page 112 of 3039

JAGUAR XFR 2010 1.G Workshop Manual
DTC Description Possible Causes Action cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted voltages should be within ± 0.15v. To check sensor ope

DTC Description Possible Causes Action cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height
sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A05-22
Left Rear Height
Sensor - Signal
amplitude >
maximum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
electrical fault
Height sensor linkage
bent
Incorrect height
sensor fitted
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height
sensors, electrical connectors or shaft end. Check for
excessive movement in the shaft in all directions. Raise
vehicle (ideally on wheels-free ramp) until suspension on
corner under investigation is at rebound to gain access to
height sensor. Access may be improved by removing road
wheel. Carefully disconnect the height sensor link from the
upper suspension arm. Monitor the height sensor signal
voltage output for the height sensor under investigation.
Position the sensor arm so it is in the mid position and
confirm that the voltage is around 2.5 volts. Move the sensor
arm over the range ±40° around the mid position and confirm
that the voltage changes smoothly between around 0.2 volts
and 4.8 volts. If voltages are incorrect or do not change
smoothly then replace sensor. NOTE: For angles of movement
beyond ±40°, the sensor signal will clamp to a voltage of
~0.15v or ~4.85v, depending on position of sensor lever. This
is normal. When investigation is complete, refit height sensor
link to upper arm. If any fixings to the height sensor body or
mounting bracket were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Refer to the relevant section of the workshop
manual for the calibration procedure C1A05-76
Left Rear Height
Sensor - Wrong
mounting position
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system C1A05-78
Left Rear Height
Sensor -
Alignment or
adjustment
incorrect
Incorrect height
calibration
Refer to the workshop manual and perform the height sensor
calibration procedure. Clear the DTC and retest the system

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