2008 INFINITI FX35 Service Manual

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Page 49 of 3924

INFINITI FX35 2008 Service Manual
ACS-42
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
4. Check continuity between ICC unit harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> 1. Repair harness bet

Page 50 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-43
< SERVICE INFORMATION > [ICC]
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1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster conn

Page 51 of 3924

INFINITI FX35 2008 Service Manual
ACS-44
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
1. Turn ignition switch OFF.
2. Disconnect ICC unit connector and brake booster connector.
3. Check continuity between

Page 52 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-45
< SERVICE INFORMATION > [ICC]
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DTC 65 PRESSURE CONTROLINFOID:0000000001328836
1.OPERATION CHECK
Check foot brake p

Page 53 of 3924

INFINITI FX35 2008 Service Manual
ACS-46
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> INSPECTION E

ACS-46
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
NO >> INSPECTION END
DTC 90 STOP LAMP RLY FIXINFOID:0000000001328838
1.CHECK CONNECTOR 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. T hen 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 “Data Monitor” of “ICC”, check that “S TOP LAMP SW” and “BRAKE SW” operate normally.
OK or NG
OK >> GO TO 12.
NG-1 >> “BRAKE SW” NG: GO TO 3.
NG-2 >> “STOP LAMP SW” NG: GO TO 9.
3.CHECK BRAKE SWITCH INSTALLATION AND ADJUSTMENT
Check brake switch for proper installation, and adjust the switch if necessary. Refer to BR-5, "
Inspection and
Adjustment".
OK or NG
OK >> GO TO 4.
NG >> After adjustment, erase DTC and perform ICC system running test. Then perform self-diagnosis
of ICC system again.
4.CHECK ICC BRAKE SWITCH AND STOP LAMP SWITCH
Check ICC brake switch and stop lamp switch. Refer to ACS-64, "
ICC Brake Switch and Stop Lamp Switch".
OK or NG
OK >> GO TO 5.
NG >> 1. Replace ICC brake switch. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
5.CHECK ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3. Check ICC brake hold relay. Refer to ACS-64, "
ICC Brake Hold Relay".
OK or NG
OK >> GO TO 6.
NG >> 1. Replace ICC brake hold relay. 2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
6.CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWITCH
1. Disconnect ICC brake switch connector and ICC unit connector.
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3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 54 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-47
< SERVICE INFORMATION > [ICC]
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2. Check continuity between ICC brake hold relay harness connec- tor and ICC brake s

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-47
< SERVICE INFORMATION > [ICC]
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2. Check continuity between ICC brake hold relay harness connec- tor and ICC brake switch harness connector.
3. Check continuity between ICC brake hold relay harness connec- tor and ground.
OK or NG
OK >> GO TO 7.
NG >> 1. Repair harness between ICC brake hold relay and ICC brake switch. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
7.CHECK HARNESS BETWEEN ICC UNIT AND ICC BRAKE HOLD RELAY
1. Disconnect ECM connector.
2. Check continuity between ICC unit harness connector and ICC brake hold relay harness connector.
3. Check continuity between ICC unit harness connector 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 syst em running test. Then perform self-diagnosis of ICC system
again.
8.CHECK ICC BRAKE SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ICC brake switch harness connector and ground.
OK or NG
OK >> 1. Replace ICC unit. 2. Erase DTC and perform I CC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace harness or fuse. 2. Erase DTC and perform ICC syst em running test. Then perform self-diagnosis of ICC system
again.
9.CHECK STOP LAMP ILLUMINATION
ICC brake hold
relay connector Te r m i n a lICC brake switch
connector Terminal Continuity
E14 3 E209 2 Yes
ICC brake hold
relay connector Te r m i n a l
Ground Continuity
E14 3 No
PKIB4167E
ICC unit connector Terminal ICC brake hold relay
connector Terminal Continuity
M89 29 E14 4 Yes
ICC unit connector Terminal GroundContinuity
M89 29 No
SKIA5980E
ICC brake switch connector Te r m i n a l
Voltage (Approx.)
(+) ( −)
E209 1 Ground Battery voltage
PKIB4168E
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 55 of 3924

INFINITI FX35 2008 Service Manual
ACS-48
< SERVICE INFORMATION >[ICC]
TROUBLE DIAGNOSIS FOR
SELF-DIAGNOSTIC ITEMS
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3. Check stop lamp circuit.
OK or NG
OK >> GO TO 10.

Page 56 of 3924

INFINITI FX35 2008 Service Manual
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-49
< SERVICE INFORMATION > [ICC]
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Check continuity between ICC brake hold relay harness connector
and ground.
OK or NG

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