2006 ACURA CSX battery

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Special Tools Required
Removal
17-65
Steering Gearbox Removal and Installation
A
 Ball joint remover, 28 mm 07MAC-SL0A202
 Engine hanger adapter
VSB02C000015
 Front subframe adaptor VSB02C000016
 2006 Civic engine hanger VSB02C000025
 Engine support hunger, A and Reds AAR-T1256 : These special tools are available through Honda
Canada Inc. Technical Tools Department; FAX 866-
398-8665/e-mail: ch_technicaltools ch. honda. com
Note these items during removal:  Use solvent and a brush, wash any oil and dirt off the end of the steering gearbox. Avoid any electrical
parts. Blow dry with compressed air.
 Be sure to remove the steering wheel before disconnecting the steering joint, or damage to the
cable reel may occur.
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Raise the front of the vehicle, and support it with safety stands in the proper locations (see page
1-11).
3. Remove the front wheels.
4. Remove the driver’s airbag (see page 24-188), and the steering wheel (see page 17-6).
5. Remove the driver’s dashboard undercover (see page 20-103). 6. Remove the steering joint cover (A).
(cont’d)
08/08/21 14:55:09 61SNR030_170_0066
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SymptomProbable cause
17-78EPS Components
Steering Gearbox Removal and Installation (cont’d)
34. Install the steering wheel (see page 17-8).
35. With the tires raised off the ground (vehicle on a
lift), check for the following symptoms by turning
the steering wheel fully to the right and left several
times.
Rubbing sound
coming from the
lower steering
column area. Steering column joint
is contacting the cover.
Grating sound from
the lower steering
column area, or a
rough feeling during
steering. Poor engagement of
the pinion shaft
serrations.
Noise from around
the steering wheel
during steering. Poor engagement of
the SRS cable reel with
the steering wheel, or a
damaged cable reel.
36. Install the air cleaner housing (see page 11- 345).
37. Install the under cowl panel and cowl cover (see page 20-163). 38. Do the battery terminal reconnection procedure
(see page 22-68), and do these tasks:
 Turn the ignition switch to ON (II) and check that the SRS indicator comes on for about 6 seconds
and then goes off.
 Make sure the horn and turn signal switches work properly.
 Make sure the steering wheel switches work properly.
39. After installation, do the following checks:  Check the steering wheel spoke angle. If steeringspoke angles to the right and left are not equal
(steering wheel and rack are not centered),
correct the engagement of the joint/pinion shaft
splines.
 Set the steering column to the center tilt position, and to the center telescopic position, then check
the wheel alignment and adjust (see page 18-5).
 Make sure the steering wheel spokes are centered.
 Start the engine, and let it idle. Turn the steering wheel from lock-to-lock several times. Check that
the EPS indicator does not come on.
 Do the memorizing for the torque sensor neutral position (see page 17-22).
08/08/21 14:55:18 61SNR030_170_0079
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17-84EPS Components
EPS Control Unit Removal/Installation
A
B
C D
F
E
6x1.0mm
9.8 N·m
(1.0 kgf·m,
7.2 lbf·ft)
1. Do the battery terminal disconnection procedure (see page 22-68).
2. Remove the passenger’s dashboard lower cover (see page 20-102).
3. Remove the passenger’s side kick panel (see page 20-66).
4. Disconnect EPS control unit connectors A (2P), connector B (2P), connector C (2P), and connector D
(28P).
5. Remove the nuts (E) from the EPS control unit (F).
6. Remove the EPS control unit. 7. Install the EPS control unit in the reverse order of
removal.
8. Do the battery terminal reconnection procedure (see page 22-68), and do these tasks:
 Make sure the horn and turn signal switches work properly.
 Make sure the steering wheel switches work properly.
 If the EPS control unit is replaced, the EPS control unit must memorize the torque sensor neutral
position (see page 17-22).
9. After installation, start the engine, and let it idle. Turn the steering wheel from lock-to-lock several
times. Check that the EPS indicator does not come
on.
08/08/21 14:55:30 61SNR030_170_0085
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µ
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Problems That Are Not System Faults
How a Diagnostic Trouble Code (DTC) is Set How to Troubleshoot DTCs
18-50TPMS
General Troubleshooting Information (cont’d)
 Tire Sealant
Fluid sealant used to repair a punctured tire can
damage the tire pressure sensor mounted on each
wheel. It can prevent the system from detecting the
correct tire pressure, which sets a DTC 11, 13, 15, or
17 even t hough the system is normal.
 Cold Weather When the weather is extremely cold, about 40 °C
( 40 °F) or colder, the output of the lithium battery in
each tire pressure sensor may drop far enough that
the control unit sets a DTC for low battery voltage (31,
33, 35, or 37) even t hough the system is normal.
 Non-TPMS Wheels (Including Spare Tire) Vehicles equipped with TPMS must use wheels made
for the system. Every TPMS wheel has an exclusive
mark; do not use any other type of wheel.
When a flat tire is replaced with the spare tire, the
TPMS indicator comes on (DTC 32, 34, 36, or 38)
because the system is no longer receiving the signal
from the flat tire’s transmitter.
This is not a problem with the spare tire.
 When the system detects a problem, the TPMS control unit sets a code, but shifts to fail-safe mode,
and does not alert the driver to low tire pressures.
 If the TPMS control unit loses power, or fails, the TPMS indicator comes on, but no DTCs are set.
 The memory can hold all the DTCs that could possibly be set. However, when the same DTC is
detected more than once, the most recent one
overwrites the previous one, so only the latest DTC of
each type is stored.
 DTCs are indicated in ascending order, not in the order they occurred.
 Set DTCs are stored in the EEPROM (nonvolatile memory), and cannot be cleared by disconnecting the
battery. To clear a DTC, connect the HDS (Honda
Diagnostic System) to the data link connector (DLC),
and follow the screen prompts. DTC troubleshooting procedures assume the cause of
the problem is still present and the TPMS indicator is
still on. Do not use a troubleshooting procedure unless
the system has set the DTC listed for it.
NOTE: For DTCs 11, 13, 15, and 17 (tire low pressure),
the TPMS indicator comes on only if the DTCs are
caused by a system problem rather than low tire
pressure.
1. Ask the client to describe the conditions when the indicator came on, and try to reproduce the same
conditions for troubleshooting. Find out if the client
checked and/or adjusted tire pressures since the
indicator came on.
2. If an indicator does not come on during the test- drive, check for loose terminals, poor contact due
to damaged terminals, etc. Before you start
troubleshooting.
3. After troubleshooting, repair and clear the DTCs, and test-drive the vehicle. Make sure no indicators
come on.
4. Check for DTCs from other control units that are connected via the F-CAN. If there are DTCs that are
related to the F-CAN, the most likely cause was that
the ignition switch was turned to ON (II) with the
TPMS control unit connector disconnected. Clear
the DTCs. Check for PGM-FI and TPMS codes, and
troubleshoot those first.
08/08/21 14:58:22 61SNR030_180_0050
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)DTC Detection Item Troubleshooting
18-55
DTC Troubleshooting Index
11 Tire 1 Low Air Pressure
(see page 18-63)
13 Tire 2 Low Air Pressure (see page 18-63)
15 Tire 3 Low Air Pressure (see page 18-63)
17 Tire 4 Low Air Pressure (see page 18-63)
21 Tire 1 Pressure Sensor Abnormally High Temperature (see page 18-64)
22 Tire 2 Pressure Sensor Abnormally High Temperature (see page 18-64)
23 Tire 3 Pressure Sensor Abnormally High Temperature (see page 18-64)
24 Tire 4 Pressure Sensor Abnormally High Temperature (see page 18-64)
31 Tire 1 Pressure Sensor Low Battery Voltage (see page 18-65)
32 Tire 1 Pressure Sensor Transmission Failure (see page 18-66)
33 Tire 2 Pressure Sensor Low Battery Voltage (see page 18-65)
34 Tire 2 Pressure Sensor Transmission Failure (see page 18-66)
35 Tire 3 Pressure Sensor Low Battery Voltage (see page 18-65)
36 Tire 3 Pressure Sensor Transmission Failure (see page 18-66)
37 Tire 4 Pressure Sensor Low Battery Voltage (see page 18-65)
38 Tire 4 Pressure Sensor Transmission Failure (see page 18-66)
41 Abnormal Signal Reception Error (see page 18-67)
51 Tire 1 Pressure Sensor Registration Error (see page 18-67)
53 Tire 2 Pressure Sensor Registration Error (see page 18-67)
55 Tire 3 Pressure Sensor Registration Error (see page 18-67)
57 Tire 4 Pressure Sensor Registration Error (see page 18-67)
81 TPMS Control Unit Failure (see page 18-68)
83 No VSP Signal (see page 18-69)
85 F-CAN Communication Failure (see page 18-69)
91 Tire 1 Pressure Sensor Internal Error (see page 18-70)
93 Tire 2 Pressure Sensor Internal Error (see page 18-70)
95 Tire 3 Pressure Sensor Internal Error (see page 18-70)
97 Tire 4 Pressure Sensor Internal Error (see page 18-70)
08/08/21 14:58:24 61SNR030_180_0055
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TPMS Control Unit Inputs and Outputs for 20P Connector
Terminalnumber Wire color Terminal sign Description Signal
18-57
System Description
NOTE: Standard battery voltage is about 12 V.
2 WHT CAN H (F-CAN communication
signal high)F-CAN
communication
circuit Ignition switch ON (II): pulses
3 BLK GND (Ground) Ground for the TPMS control unitLess than 0.1 V at all times
7 LT BLU K-LINE (Data link connector)Communications
with the HDS
8 BRN IG1 (Ignition switch 1)Power source for
activating the
system Ignition switch ON (II): battery voltage
Ignition switch in LOCK (0): less than 0.1 V
10 BLU B (Battery positive)Power source for
the TPMS control
unit Battery voltage at all times
11 RED CAN L (F-CAN communication
signal low)F-CAN
communication
circuit Ignition switch ON (II): pulses
(cont’d)
Wire side of female terminals
08/08/21 14:58:24 61SNR030_180_0057
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System Communication
18-60TPMS
System Description (cont’d)
Control Unit
(With Radio Frequecy Antenna)
Tire Pressure Sensor
(Sensor-transmitter with acceleration sensor)
 When the vehicle is traveling more than 45 km/h (28 mph), an RF (radio frequency) band wave signal is transmitted
from each tire pressure sensor to the control unit.
 When the wheels rotate, and the tire pressure sensors momentum is detected, switching them from sleep mode to normal function (awake) mode. After the vehicle is stationary for 5 minutes, the sensors switch from normal
function mode back to sleep mode to extend their battery life.
 Each tire pressure sensor has its own ID to prevent jamming by similar systems on other vehicles. After memorizing all the sensor IDs, the control unit recognizes only those specific signals.
 An ID cannot be memorized automatically. The control unit knows which ID belongs to each tire pressure sensor. This recurring ID confirmation prevents any confusion in the system as a result of normal tire rotation.
NOTE: Be careful not to bend the brackets on the TPMS control unit: Misalignment of the control unit could interfere
with sending and receiving signals.
08/08/21 14:58:25 61SNR030_180_0060
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18-61
Circuit Diagram
BATTERYUNDER-HOOD
FUSE/RELAY BOX
G1
H1WHT 36
IGNITION SWITCH
No. 10
(7.5 A)
No. 2
(60 A)
No. 2
(50 A)
No. 1
(100 A)
No. 7
(7.5 A)
UNDER-DASH
FUSE/RELAY BOX
G19
D2
TPMS INDICATOR ECM/PCM WHT
RED
WHT
RED
BLK TPMS CONTROL UNIT
CAN
CONTROLLER
RED WHT RED WHT
VOLTAGE
REGULATOR8
10 IG1
B BRN
3
GND BLK
G502 G504 K-LINE
:12V
:5V
CAN H
CAN L
IG1
POWER CIRCUIT
INDICATOR
DRIVER
CIRCUIT IG1 HOT in ON (II) and START (III)
DATA LINK
CONNECTOR (DLC) LT BLUBLU
RED
BLU
2
11
LOW TIRE PRESSURE
INDICATOR
GAUGE CONTROL MODULE (TACH)
1
A36
A37 19
6
14 7
4 7Q10
Q9
MICU
(cont’d)
08/08/21 14:58:58 61SNR030_180_0061
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