2005 INFINITI FX35 Service Manual

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INFINITI FX35 2005 Service Manual ACS-40
[ICC]
TROUBLE DIAGNOSIS — GENERAL DESCRIPTION
Revision: 2005 July 2005 FX
7. CHECK POWER SUPPLY CIRCUIT FOR ICC UNIT
Check voltage between ICC unit harness connector M89 terminals
33 (G/R),

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INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-41
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Revision: 2005 July 2005 FX
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:00000
Diagnostic Trouble Co

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-41
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TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMSPFP:00000
Diagnostic Trouble Code (DTC) ChartAKS006YW
×: Applicable
DTC No. CONSULT-II
screen terms ICC
system
warning lamp Fail-safe
Malfunctions detected where... Refer-
ence
page
Vehicle-
to-
vehicle
distance
control mode Conven-
tional
(fixed
speed) cruise
control
mode Brake
assist
(with
preview
function)
11 CONTROL UNIT ××××
ICC unit internal malfunctionACS-42
20 CAN COMM CIRCUIT ××××ICC unit detected CAN communi-
cation malfunction. ACS-43
31 POWER SUPPLY CIR
××××ICC unit power supply voltage is
excessively low (less than 8V). ACS-43
34 POWER SUPPLY CIR2
××××ICC unit power supply voltage is
excessively high (more than 19V). ACS-43
41 VHCL SPEED SE CIRC
××××
Wheel sensor malfunction.
ABS actuator and electric unit (
control unit) malfunction
AT vehicle speed sensor malfunc-
tion
TCM malfunction ACS-44
43 ABS/TCS/VDC CIRC
××××VDC/TCS/ABS system malfunc-
tion ACS-45
45 BRAKE SW/ STOP L SW
××××
Brake and stop lamp switch har-
ness is open or shorted.
Brake and stop lamp switch is ON
or stuck to OFF.
Brake and stop lamp switch is
stuck to ON. ACS-45
46 OPERATION SW CIRC
×××
ICC steering switch harness or
spiral cable is open or shorted.
ICC steering switch malfunction ACS-47
61 PRESS SEN CIRCUIT
×× ×
Brake pressure sensor harness is
open or shorted.
Brake pressure sensor malfunc-
tion
Brake pressure sensor input cir-
cuit malfunction ACS-48
62
BOOSTER SOL/V
CIRCUIT ×× ×
Solenoid harness is open or
shorted.
Solenoid is open.
Solenoid drive circuit malfunction ACS-50
63 RELEASE SW CIRCUIT
××××
Release switch harness is open or
shorted.
Release switch malfunction
Release switch input circuit mal-
function ACS-51
65 PRESSURE CONTROL
×× ×Booster malfunctionACS-52
74 LASER BEAM OFF CNTR ×× ×Laser beam of ICC sensor is off
the aiming point. ACS-53

Page 51 of 4731

INFINITI FX35 2005 Service Manual ACS-42
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2005 July 2005 FX
DTC 11 CONTROL UNITAKS00C8O
1. CHECK ICC UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if any item othe

Page 52 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-43
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DTC 20 CAN COMM CIRCUITAKS00C8P
1. CHECK CAN COMMUNICATION
With CONSUL

Page 53 of 4731

INFINITI FX35 2005 Service Manual ACS-44
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2005 July 2005 FX
3. CHECK GROUND CIRCUIT FOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector.
3. Check cont

Page 54 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-45
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Revision: 2005 July 2005 FX
DTC 43 ABS/TCS/VDC CIRCAKS00C8S
1. CHECK ICC UNIT SELF-DIAGNOSIS
With

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-45
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DTC 43 ABS/TCS/VDC CIRCAKS00C8S
1. CHECK ICC UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 20 CAN COMM CIRCUIT” other than “DTC 43 ABS/TCS/VDC CIRC” is indicated in self- diagnosis item in the display.
Is it indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to BRC-12, "
TROUBLE
DIAGNOSIS" .
2. Check if malfunction is indicated.
Is malfunction indicated?
YES >> 1. Repair or replace applicable item. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 45 BRAKE SW/STOP L SWAKS00C8T
1. CHECK CONNECTOR FOR ICC UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector, and connect it securely again.
3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter- minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
2. CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH
With CONSULT-II
With “DATA MONITOR”, check if “STOP LAMP SW” and “BRAKE SW” are operated normally. Refer to ACS-
32, "DATA MONITOR" .
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >>
BRAKE SW: GO TO 3.
STOP LAMP SW: GO TO 5.

Page 55 of 4731

INFINITI FX35 2005 Service Manual ACS-46
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2005 July 2005 FX
3. BRAKE SWITCH INSTALLATION AND ADJUSTMENT INSPECTION
Check brake switch for proper installation, and adjust the

Page 56 of 4731

INFINITI FX35 2005 Service Manual TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS ACS-47
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Revision: 2005 July 2005 FX
7. CHECK ICC BRAKE HOLD RELAY CIRCUIT
1. Disconnect ICC unit connector an

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Revision: 2005 July 2005 FX
7. CHECK ICC BRAKE HOLD RELAY CIRCUIT
1. Disconnect ICC unit connector and stop lamp switch connector.
2. Check continuity between ICC unit harness connector M89 ter- minal 38 (P/B) and ICC brake hold relay harness connector E14
terminal 7 (P).
3. Check continuity between ICC unit harness connector M89 ter- minal 38 (P/B) and ground.
OK or NG
OK >> GO TO 8.
NG >> 1. Repair harness between ICC unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
8. CHECK STOP LAMP SWITCH CIRCUIT
Check continuity between ICC unit harness connector M89 terminal
38 (P/B) and stop lamp switch harness connector E210 terminal 2
(P).
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NG >> 1. Repair harness between ICC unit and stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
DTC 46 OPERATION SW CIRCAKS007I0
1. CHECK CONNECTOR FOR ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector, and connect it securely again.
3. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
Is malfunction indicated?
YES >> GO TO 2.
NO >> Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter- minals. If any malfunction is detected, repair applicable part.)
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
2. CHECK ICC STEERING SWITCH
Check ICC steering switch. Refer to ACS-71, "
ICC Steering Switch" .
OK or NG
OK >> GO TO 3.
NG >> 1. Replace ICC steering switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
38 (P/B) – 7 (P) : Continuity should exist.
38 (P/B) – Ground : Continuity should not exist.
PKIA9907E
38 (P/B) – 2 (P) : Continuity should exist.
PKIB4163E

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