1994 JAGUAR XJ6 check oil

IW Automatic Transmission (AJ16)
TRANSMISSION FLUID TEMPERATURE SENSOR INPUTS P 0712 / P 0713
The transmission fluid temperature sensor is a positive temperature coefficient thermistor bead, located in the internal
wiring harness of the transmission assembly and immersed in the transmission fluid in the unit sump. The wiring is
taken out through the transmission connector and runs through the rotary switch and then into the gearbox harness
to the TCM. The pin outs on the relevant parts are as follows.
TCM ROTARY SWITCH TRANSMISSION
55 WAY CONNECTOR 12 WAY MULTI-LOCK 9 PIN DEUTSCH
(CC007) (GB002) (GB003)
PIN 46 - SIGNAL PIN 8 -SIGNAL PIN D -SIGNAL
PIN
44 -GROUND PIN 9 - GROUND PIN J -GROUND
TRANSMISSION FLUID TEMPERATURE SENSOR LOW INPUT- P 0712
This input is continuously monitored during initialization and operation by the processor and is checked against spe- cific limits to be in range. If the temperature indicated by the sensor is too low then this fault code will be stored and
the processor will use a substitute value for the transmission oil temperature.
The low limit is approximately
-50" C. This fault would indicate that the output signal line (Pin 46) is probably short
circuit to ground.
TRANSMISSION FLUID TEMPERATURE SENSOR HIGH INPUT- P 0713
This input is continuously monitored during initialization and operation by the processor and is checked against spe- cific limits to be in range. If the temperature indicated by the sensor is too high then this fault code will be stored and
the processor will use a substitute value for the transmission oil temperature. The high limit is approximately 185" C.
This fault would indicate that the input signal line (Pin 46) is probably open circuit or short circuit to battery positive
voltage (+I2 nominal).
Possible causes:
. Faulty sensor.
. Faulty harness wiring or connection to sensor.
Effects:
. Substitute oil temperature adopted by TCM.
Remedy:
Renew internal harness.
. Repair or renew harness I connectors.
Issue 1 August 1994 8 X300 EDM

Automatic Transmission (AJ16) w
8.1.5
nector.
TRANSMISSION CONNECTOR
(GB003)
TRANSMISSION ELECTRICAL PIN POINT TESTS
THE FOLLOWING TESTS describe methods of testing the transmission control solenoid valves from the multi-pin con-
0 A = Road Speed Sensor
0 B = Pressure Regulator
0 D = Oil Temperature Signal
0 F = Road Speed Sensor
0 H = MVI Solenoid
0 J = Oil Temperature Ground
0 K = MV2 Solenoid
0 L = MWVK Solenoid
0 M = Solenoid Supply
The solenoid valves are located on the valve block in the transmission assembly and can be identified by their position.
Connection is made via a connector located on the LHS of the transmission assembly.
Impedance Checks
M
-L)
M
-K) 28-60ohm
0 M-H)
M-B 5-70hm
M)(A
K)(D
L 1-( F O/C
H)(J
B)(
L-K)
L
- H ) 56- 120 ohm
K
-H)
L
-B)
K
-B) 33-67ohm
H
-B)
All Pins
- Ground OK
5
m- 1738
Fig. 1 Transmission Multi-plug Connector
X300 EDM 27 Issue 1 August 1994

(a) Brakes
Pin Point Tests
Wheel Sensor
The wheel sensors are connected across ABS / TC CM pins 5 - 12 inclusive, one sensor per pair of pins (see 'Control
Module Connections', page 3).
. Testing between pins of the 28 way multi-plug connector, checkthat the resistance of each sensor coil is 1.1kQ (toler- ance of * 50%).
Hydraulic Pump Motor
rn Disconnect the pump motor bi-pin connector.
rn Check the resistance value of the motor winding is approximately 0.m.
Throttle position sensor
With the vehicle ignition ON, test the throttle position sensor harness between ABSITC CM pins 25 and 27. Avoltage
of 5V (k 0.5V) should be recorded.
Repeat the test between ABS
/ TC CM pins 26 and 27 with the accelerator pedal pressed down approximately half
of full travel. Avoltage of approximately half the first value should be recorded. Variation in accelerator pedal posi- tion should cause a varying voltage value to be recorded.
Throttle Flap Actuator Motor
. Test the throttle flap actuator motor between ABS /TC CM multi-plug connector pins 16 and 17. A resistance value
of 1.651 should be recorded.
Brake Switch
. Measure the voltage at the brake switch between ABS /TC CM pin 20 and ground. With pedal UP, ie not operated,
a reading equivalent to battery voltage should be achieved. Operate brake pedal fully ensuring coinciding ground,
ie
0 volts, through switch.
Traction Switch
Check continuity of traction OFF / ON switch between ABS /TC CM pin 18 and ground. Operate switch ensuring CO- inciding short circuit.
Issue 1 August 1994 8 X300 EDM

Climate Control Systems
14.7.22 BLOWER MOTORS
Disconnect the blower motors (LH & RH) multi-plugs and check motor operation by applying battery voltage (+12V) across pin 5 (+vel and pin 9 (-ve).
Non-functioning of both L H and RH motors *
Cause:
1. Loss of ignition voltage.
Remedy:
1.
2.
*
Examine fuse F12 in RH heelboard fuse-box. If fuse is blown determine reason for failure and renew.
Examine harness wiring from
RH heelboard fuse-box connection CA044/010 to splice CAS53. Repair or renew
wiring as necessary.
This fault will also affect the operation of seat control modules, power steering control module and door mirror
heaters.
Non-functioning of RH blower motor only
Cause:
1. Faulty relay operation.
2. Faulty harness wiring.
Remedy:
1. Ensure 12Vsupply between relay pin 1 and ground.
Ensure continuity between pins 3 and
5 when relay operated.
Ensure relay coil impedance of
7552 to 135Q across pins 1 and 2.
Ensure correct seating of relay on base. Examine pins for damage or deformity.
Check continuity of wiring from fuse F12
(RH heelboard fuse-box) to relay pin 1 and from relay pin 2 to A / CCM
pin 53 (26-way connector).
Check continuity of wiring from fuse
F11 (RH heelboard fuse-box) to relay pin 3, from relay pin 5 to motor pin 5, from motor pin 13 to A / CCM pin 41 (16-way connector), from motor pin 8 to ground and from motor pin 10 to A / CCM pin 42 (16-way connector).
2.
Non-functioning of L H blower motor only
Cause:
1. Faulty relay operation.
2. Faulty harness wiring.
Remedy:
1. Ensure 12V supply between relay pin 1 and ground.
Ensure continuity between pins 3 and
5 when relay operated.
Ensure relay coil impedance
of 7552 to 135Q across pins 1 and 2.
Ensure correct seating of relay on base. Examine pins for damage or deformity.
2. Check continuity of wiring from fuse F12 (RH heelboard fuse-box) to relay pin 1 and from relay pin 2 to A / CCM
pin 66 (26-way connector).
Check continuity of wiring from fuse
F11 (LH heelboard fuse box) to relay pin 3, from relay pin 5 to motor pin 5, from motor pin 13 to A / CCM pin 49 (16-way connector), from motor pin 8 to ground and from motor pin 10 to
A / CCM pin 50 (16-way connector).
X300 EDM 23 Issue 1 August 1994

Climate Control Systems
High speed operation at all times - RH blower
a Cause:
1. Faulty high speed relay.
2. Faulty harness wiring.
Remedy:
1. Check the relay contact is not stuck 'ON'.
2. Check continuity of wiring harness between blower motor pin 8 and ground, pin 10 and A / CCM pin 42 (16-way connector) and pin 13 and A/ CCM pin 41 (16-way connector).
High speed operation at all times - LH blower
Cause:
1. Faulty high speed relay.
2. Faulty harness wiring.
Remedy:
1. Check the relay contact is not stuck 'ON'.
2. Check continuity of wiring harness between blower motor pin 8 and ground, pin 10 and A / CCM pin 50
(16-way connector) and pin 13 and A / CCM pin 49 (16-way connector).
14.7.23 Water Valve
For mechanical diagnosis of the water valve, refer to section 14 of the Vehicle Service Manual.
The solenoid coil fitted to the water valve housing has
a resistance of 17.4Q f 1P at 5 - 35 "C.
Check the continuity between pin 2 water valve white 2-way multi-plug and the A/ CCM (pin 52,26-way connector).
Check for ground
at pin 1 water valve white 2-way multi-plug.
14.7.24 Wafer Pump
Disconnect the black 2-way connector.
The motor operation can be checked by applying battery voltage to pin 1, motor 2
-way connector, and ground to pin 2.
Inspect the harness for open circuit or short circuit to ground. Rectify as necessary. If no harness faults are apparent,
renew the
A / CCM.
CAUTION: If removed the water pump should not be operated dry, and for a maximum of five minutes when wet. Failing to observe this may result in pump rotor and shaft damage.
The application of reverse polarity voltage at pins 1 and 2 will result in damage to the pumps internal cir-
cuitry.
X300 EDM 25 Issue 1 August 1994

Electrical IT
SECTION CONTENTS
Sub
-Section 15.2 lnsfrumenfs
Subsection Title SRO Page
15.2 ............. Instruments .................................................................... 15.2-1
15.2.1
............ Introduction .................................................................... 15.2-1
15.2.2
............ Instrument Pack Connectors - Pin Locations ......................................... 15.2-3
15.2.3
............ Component Description .......................................................... 15.24
15.2.3.1 .......... Speedometer ................................................................... 15.24
15.2.3.2 .......... Tachometer .................................................................... 15.24
15.2.3.3
.......... Engine Oil Pressure and Warning Lamp ............................................. 15.24
15.2.3.4 .......... Engine Coolant Temperature ...................................................... 15.24
15.2.3.5 .......... Fuel Tank Level Gauge and Warning Lamp .......................................... 15.24
15.2.3.6
.......... Battery Voltage Gauge and Warning Lamp .......................................... 15.24
15.2.3.7
.......... Liquid Crystal Display ........................................................... 15.24
15.2.3.8 .......... Trip Computer .................................................................. 15.2-5
15.2.4
............ Primary Warning Lamps (Illuminated Red) .......................................... 15.2-5
15.2.4.1
.......... Exhaust Temperature ............................................................ 15.2-5
15.2.4.2
.......... Low Oil Pressure ................................................................ 15.2-5
15.2.4.3
.......... Seat Belt ....................................................................... \
15.2-5
15.2.4.4
.......... Trunk Lid Open ................................................................. 15.2-5
15.2.4.5
.......... DoorAjar ...................................................................... 15.2-5
15.2.4.6
.......... Engine Coolant LeveL ............................................................ 15.24
15.2.4.7
.......... SRS Airbag Fault ................................................................ 15.24
15.2.4.8 .......... Charging Fault .................................................................. 15.24
15.2.4.9 .......... Brake System Fault .............................................................. 15.24
15.2.4.10 ......... Bark Brake ..................................................................... 15.24
15.2.5. ........... Secondary Warning Lamps (Illuminated Amber) ...................................... 15.2-7
15.2.5.1
.......... Transmission Fault ............................................................... 15.2-7
15.2.5.2
.......... Washer Fluid Level .............................................................. 15.2-7
15.2.5.3
.......... Bulb Fail ....................................................................... \
15.2-7
15.2.5.4
.......... Traction Control Fail ............................................................. 15.2-7
15.2.5.5
.......... Anti-lock Fail .................................................................. 15.2-7
15.2.5.6
.......... Low Fuel Level ................................................................. 15.2-7
15.2.5.7
.......... Check Engine ................................................................... 15.2-7
15.2.6.1
.......... Transmission Sport Mode ......................................................... 15.2-8
15.2.6.2
.......... Traction Control OFF ............................................................ 15.2-8
15.2.6.3
.......... Direction Indicators ............................................................. 15.2-8
15.2.6.4
.......... Main Beam .................................................................... 15.2-8
15.2.6
............ Status
and Warning Lamps ........................................................ 15.2-8
m
a
0
e
0
X300 EDM ii Issue 1 August 1994

Electrical IT
SECTION CON TENTS
Subsection 15.2 Instruments (continued)
Sub-Section Title SRO Page
15.2.7 ............ Fault Diagnosis ................................................................. 15.2-9
15.2.7.1
.......... Active High /Low Inputs ......................................................... 15.2-9
15.2.8.
........... Instrument Pack Pin-point Tests .................................................. 15.2-1 0
15.2.8.1 .......... Oil Pressure, Battery Condition, Coolant Temperature and Fuel Gauges ................. 15.2-1 0
75.2.8.2
.......... Speedometer .................................................................. 15.2-10
15.2.8.4
.......... Liquid Crystal Display .......................................................... 15.2-17
15.2.8.6
.......... Door Open Warning Lamp ...................................................... 15.2-12
15.2.8.7
.......... Exhaust Temperature Warning Lamp .............................................. 15.2-1 3
15.2.8.8 .......... Luggage Compartment Warning Lamp ............................................. 15.2-14
15.2.8.9
.......... Seat Belt Warning Indicator ...................................................... 15.2-1 5
15.2.8.3
.......... Tachometer ................................................................... 15.2-11
15.2.8.5
.......... Trip Computer ................................................................. 15.2-11
15.2.8.70
......... Park Brake Indicator ............................................................ 15.2-16
15.2.8.71
......... Main Beam Indicator ........................................................... 15.2-17
75.2.8.12
......... Direction Indicator Tell Tales ..................................................... 15.2-18
15.2.8.14
......... Washer Fluid Level Indicator ..................................................... 15.2-20
15.2.8.16
......... Brake Fluid Level Indicator ...................................................... 15.2-22
75.2.8.17
......... General Bulb Failure Indicator ................................................... 15.2-23
15.2.8.18
.........
75.2.8.19 .........
15.2.8.20 ......... Traction Control OFF Tell-tale .................................................... 15.2-24
0
75.2.8.13 ......... Generator IND Voltage Indicator ................................................. 15.2-19
7 5.2.8.15 ......... Engine Coolant Level indicator ................................................... 15.2-2 1
Transmission Sport mode Indicator ................................................ 75.2-24
Traction Control Failure Warning Lamp
............................................ 15.2-24
15.2.8.21
......... Anti-lock Failure Warning Lamp .................................................. 15.2-24
15.2.8.22
......... Check Engine Warning Lamp .................................................... 75.2-24
Issue 1 August 1994 iii X300 EDM

Electrical IT
15.2.2 INSTRUMENT PACK CONNECTORS
0
Socket A (24-way)
Pin Circuit Input
1. Fuel used 2. 12V ignition feed 3. Ground 4. Ground 5. Battery feed 6. 12V auxiliary feed 7. Anti-lock fail 8. -
Socket 6 (48-way)
Pin Circuit Input
1. - 2. Speed output 1
3. Speed output 2
4. Trip stalk cycle 5. - 6. - 7- 8. - 9. Generator indicator voltage 10. Brake fluid level 11. - 12. Trip reset 13. Screenwash fluid level 14. Transmission sport mode 15. Seat belt 16. Luggage compartment open
Pin
9.
10.
11.
12.
13.
14.
15.
16.
Pin
17.
18.
19. 20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
Circuit Input
Illumination feed
-
- -
Diagnostic serial output (K) Diagnostic serial input (L)
Distance
-
Circuit Input
Park brake (on)
D.I.
bulb fail - - -
Check engine
Exhaust temperature
Main beam
- - - - - - - -
Fig. 1 Pin Locations
Pin
17.
18.
19.
20.
21.
22.
23.
24.
Pin
33.
34. 35.
36.
37.
38.
39. 40.
41.
42.
43.
44.
45.
46.
47.
48.
Circuit Input
-
Coolant temperature
Fuel level
Oil pressure
Coolant temperature output
Tachometer
input - ECM
-
Circuit Input
Ground - trip keyboard
Traction control status
Trip clear
Coolant level
Side lights (on)
Left D.I. (on)
Right D.I. (on)
Trip
km / miles
General bulb fail
Transmission fail
Air bag fail
Door ajar
- Driver’s
Door ajar - Passenger’s
-
X300 EDM 15.2 - 3 Issue 1 August 1994