2008 INFINITI FX35 Service Manual

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Page 65 of 3924

INFINITI FX35 2008 Service Manual
ACS-58
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Chime does not sound when the system does not det
ect any vehicle ahead. (Diagnose the conditions under
which the system is detect

ACS-58
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Chime does not sound when the system does not det
ect any vehicle ahead. (Diagnose the conditions under
which the system is detecting the vehicle ahead and when the system is malfunctioning. If there is any mal-
function in detecting the vehicle ahead, check the system following the ACS-58, "
Symptom 7 ICC System
Frequently Cannot Detect the Vehicl e Ahead/ Detection Zone Is Short".
1.CHECK ICC WARNING CHIME
With “Active Test” of “ICC”, check t hat ICC warning chime operates normally.
OK or NG
OK >> Determine preceding vehicle detection status when malfunction occurred. If chime should have
sounded: after replacing ICC unit. Perform ICC system running test, and then perform self-diag-
nosis of ICC system again.
NG >> GO TO 2.
2.PERFORM SELF-DIAGNOSIS OF ICC SYSTEM
1. Perform self-diagnosis of ICC system.
2. Check if “DTC 20 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> Refer to ACS-36, "DTC 20 CAN COMM CIRCUIT".
NO >> GO TO 3.
3.PERFORM SELF-DIAGNOSIS OF UNIFIED METER AND A/C AMP.
Perform self-diagnosis of unified meter and A/C amp. Refer to DI-27, "
CONSULT-III Function (METER/M&A)".
OK or NG
OK >> 1. Replace combination meter. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NG >> 1. Repair or replace applicable item.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Symptom 6 Driving Force Is HuntingINFOID:0000000001328854
1.CHECK SELF-DIAGNOSIS OF ECM
Perform self-diagnosis of ECM.
OK or NG
OK >> Refer to ACS-58, "Symptom 7 ICC System Frequently Cannot Detect the Vehicle Ahead/ Detec-
tion Zone Is Short".
NG >> 1. Repair or replace applicable parts.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Symptom 7 ICC System Frequent ly Cannot Detect the Vehicle Ahead/ Detection Zone
Is Short
INFOID:0000000001328855
The detection function may become unstable in the following cases.
When the reflector of the vehicle ahead is def icient/ not clean enough to reflect the radar.
When driving a road with extremely sharp corners.
When the radar cannot detect the reflector of the vehicle ahead as the vehicle ahead is passing a hill or
passing the peak.
1.VISUAL CHECK
Check ICC sensor body window for contamination and foreign materials.
OK or NG
OK >> If any contamination or foreign materials ar e found, remove them. Then perform ICC system run-
ning test.
NG >> GO TO 2.
2.CHECK FUNCTION
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 66 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SYMPTOMSACS-59
< SERVICE INFORMATION > [ICC]
C
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G H
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M A
B
ACS
N
O P
After adjusting ICC sensor beam aiming, perform ICC system running test. Check that preceding veh

Page 67 of 3924

INFINITI FX35 2008 Service Manual
ACS-60
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
Possible Irregular Condition
1.CHECK FUSES
Check that any of the fuses is blown.
OK or NG
OK >> GO TO 2.
NG >> If fuse is blown, be

Page 68 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SYMPTOMSACS-61
< SERVICE INFORMATION > [ICC]
C
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G H
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M A
B
ACS
N
O P
4. Check continuity between ECM harness connector and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO

Page 69 of 3924

INFINITI FX35 2008 Service Manual
ACS-62
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR SYMPTOMS
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector.
3. Check continuity between ICC unit harness connector and
ground.
OK

Page 70 of 3924

INFINITI FX35 2008 Service Manual
ELECTRICAL COMPONENT INSPECTIONACS-63
< SERVICE INFORMATION > [ICC]
C
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G H
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B
ACS
N
O P
ELECTRICAL COMPONENT INSPECTION
ICC Steering SwitchINFOID:0000000001328857
1. Disconnect ICC stee

Page 71 of 3924

INFINITI FX35 2008 Service Manual
ACS-64
< SERVICE INFORMATION >[ICC]
ELECTRICAL COMPONENT INSPECTION
ICC Brake Switch and Stop Lamp Switch
INFOID:0000000001328860
Check each switch after adjusting brake pedal, refer to BR-5.
ICC Br

Page 72 of 3924

INFINITI FX35 2008 Service Manual
REMOVAL AND INSTALLATIONACS-65
< SERVICE INFORMATION > [ICC]
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ACS
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REMOVAL AND INSTALLATION
ICC UnitINFOID:0000000001328862
REMOVAL
1. Remove the instrument passenger lowe

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