2007 INFINITI M35 ignition

ACS-50
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
DTC 13 STOP LAMP RLY FIXNKS004D7
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “STOP LAMP RLY FIX [C1A13]” (DTC 13)
is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. 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.
4. Check if “STOP LAMP RLY FIX [C1A13]” (DTC 13) is indicated in self-diagnosis item in the display.
Is it indicated?
YES >> GO TO 3.
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.
3. CHECK STOP LAMP SWITCH WITH ICC DATA MONITOR
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “STOP LAMP SW” operates normally.
OK or NG
OK >> GO TO 11.
NG >> GO TO 4.
4. CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 5.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
5. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 6.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-51
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ACS
Revision: 2007 April2007 M35/M45
6. CHECK STOP LAMP ILLUMINATION
1. Turn ignition switch OFF.
2. Disconnect ICC brake hold relay.
3. Connect stop lamp switch connector.
4. Check if stop lamp is turned ON when depressing brake pedal.
OK or NG
OK >> GO TO 7.
NG >> 1. Repair or replace stop lamp circuit.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
7. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ECM
1. Disconnect stop lamp switch connector and ECM connector.
2. Check continuity between stop lamp switch harness connector
(A) and ECM harness connector (B).
3. Check continuity between stop lamp switch harness connector
(A) and ground.
OK or NG
OK >> GO TO 8.
NG >> 1. Repair or replace harness between stop lamp switch and ECM.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
8. CHECK ICC BRAKE HOLD RELAY CIRCUIT
1. Connect ICC brake hold relay and ECM connector.
2. When brake pedal is not depressed, make sure that stop lamp does not illuminate.
OK or NG
OK >> GO TO 10.
NG >> GO TO 9.
9. CHECK ICC BRAKE HOLD RELAY
1. Disconnect ICC brake hold relay.
2. Check ICC brake hold relay. Refer to ACS-69, "
ICC Brake Hold Relay" .
OK or NG
OK >> GO TO 10.
NG >> 1. Replace ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
AB
Continuity
Connector Terminal Connector Terminal
E124 2 M71 101 Yes
A
GroundContinuity
Connector Terminal
E124 2 No
PKIC0927E

ACS-52
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
10. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
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 sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
11 . CHECK HARNESS BETWEEN ICC SENSOR INTEGRATED UNIT AND ICC BRAKE HOLD RELAY
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector and ICC brake hold relay.
3. Check continuity between ICC sensor integrated unit harness
connector (A) and ICC brake hold relay harness connector (B).
4. Check continuity between ICC sensor integrated unit harness
connector (A) and ground.
OK or NG
OK >> GO TO 12.
NG >> 1. Repair harness between ICC sensor integrated unit and ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
12. CHECK ICC BRAKE HOLD RELAY GROUND CIRCUIT
Check continuity between ICC brake hold relay harness connector
and ground.
OK or NG
OK >> GO TO 13.
NG >> 1. Repair or replace harness between ICC brake hold
relay and ground.
2. Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
AB
Continuity
Connector Terminal Connector Terminal
E61 2 E80 2 Yes
A
GroundContinuity
Connector Terminal
E61 2 No
PKIB9338E
ICC brake hold relay
connectorTerminal
GroundContinuity
E80 1 Yes
PKIB9341E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-53
[ICC]
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13. CHECK ICC SENSOR INTEGRATED UNIT STANDARD VOLTAGE
With CONSULT-II
1. Connect ICC sensor integrated unit connector.
2. Turn ignition switch ON.
3. Perform “ACTIVE TEST” (“STOP LAMP”: “STP LMP DRIVE
ON”) with CONSULT-II, check voltage between ICC brake hold
relay harness connector and ground.
OK or NG
OK >> GO TO 14.
NG >> 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
14. CHECK ICC BRAKE HOLD RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ICC brake hold relay harness connector
and ground.
OK or NG
OK >> GO TO 15.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
ConditionVoltage
(Approx.) (+)
(–)
ICC brake hold
relay connectorTerminal
E80 2 GroundDuring
“ACTIVE TEST”12 V
PKIB9342E
Terminals
Voltage
(Approx.) (+)
(–)
ICC brake hold relay
connectorTerminal
E80 3 Ground Battery voltage
PKIB9343E

ACS-54
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
15. CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ECM
1. Turn ignition switch OFF.
2. Disconnect ECM connector.
3. Check continuity between ICC brake hold relay harness connec-
tor (A) and ECM harness connector (B).
4. Check continuity between ICC brake hold relay harness connec-
tor (A) and ground.
OK or NG
OK >> GO TO 16.
NG >> 1. Repair harness between ICC brake hold relay and ECM.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
16. CHECK ICC BRAKE HOLD RELAY
With CONSULT-II
1. Connect ECM connector and ICC brake hold relay.
2. Disconnect stop lamp switch connector.
3. Perform “ACTIVE TEST” (“STOP LAMP”) with CONSULT-II, and make sure that stop lamp is illuminated.
OK or NG
OK >> GO TO 17.
NG >> 1. Replace ICC brake hold relay.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
17. CHECK STOP LAMP SWITCH WITH ABS DATA MONITOR
With CONSULT-II
With “ABS” “DATA MONITOR”, check if “STOP LAMP SW” are operates normally.
OK or NG
OK >> GO TO 18.
NG >> GO TO 20.
18. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE”self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
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 >> GO TO 19.
AB
Continuity
Connector Terminal Connector Terminal
E80 5 M71 101 Yes
A
GroundContinuity
Connector Terminal
E80 5 No
PKIB9344E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
ACS-55
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ACS
Revision: 2007 April2007 M35/M45
19. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ABS” self-diagnosis. Refer to BRC-23, "
CONSULT-II Functions (ABS)" .
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 sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
20. CHECK STOP LAMP SWITCH INSTALLATION AND ADJUSTMENT
Check stop lamp switch for proper installation, and adjust the switch if necessary. Refer to BR-6, "
BRAKE
PEDAL" .
OK or NG
OK >> GO TO 21.
NG >> 1. Adjust stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
21. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to ACS-69, "
ICC Brake Switch and Stop Lamp Switch" .
OK or NG
OK >> GO TO 22.
NG >> 1. Replace stop lamp switch.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
22. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Turn ignition switch ON.
4. Check voltage between stop lamp switch harness connector and
ground.
OK or NG
OK >> GO TO 23.
NG >> 1. Repair or replace harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
Terminals
Voltage
(Approx.) (+)
(–)
Stop lamp switch
connectorTe r m i n a l
E124 3 Ground Battery voltage
PKIC0833E

ACS-56
[ICC]
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
Revision: 2007 April2007 M35/M45
23. CHECK HARNESS BETWEEN STOP LAMP SWITCH AND ABS ACTUATOR AND ELECTRIC UNIT
(CONTROL UNIT)
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check continuity between stop lamp switch harness connector
(A) and ABS actuator and electric unit (control unit) harness
connector (B).
4. Check continuity between stop lamp switch harness connector
(A) and ground.
OK or NG
OK >> 1. Perform “ABS” self-diagnosis. Refer to BRC-23, "CONSULT-II Functions (ABS)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> 1. Repair or replace harness between stop lamp switch and ABS actuator and electric unit (control
unit).
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
DTC 14 ECM CIRCUITNKS004D8
1. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if “CAN COMM CIRCUIT [U1000]” (DTC 100) other than “ECM CIRCUIT [C1A14]” (DTC 14) is indi-
cated in self-diagnosis item in the display.
Is it indicated?
YES >> 1. CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NO >> GO TO 2.
2. PERFORM ECM SELF-DIAGNOSIS
With CONSULT-II
1. Perform “ENGINE” self-diagnosis. Refer to EC-123, "
CONSULT-II Function (ENGINE)" (for VQ35DE) or
EC-826, "
CONSULT-II Function (ENGINE)" (for VK45DE).
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 sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.
AB
Continuity
Connector Terminal Connector Terminal
E124 4 E30 30 Yes
A
GroundContinuity
Connector Terminal
E124 4 No
PKIC0834E

TROUBLE DIAGNOSIS FOR SYMPTOMS
ACS-63
[ICC]
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Revision: 2007 April2007 M35/M45
Symptom 1: MAIN Switch Does Not Turn ON*1 , MAIN Switch Does Not Turn
OFF
*2NKS004DK
NOTE:

*1: The MAIN switch indicator lamp in the combination meter does not illuminate.

*2: The MAIN switch indicator lamp in the combination meter remains powered.
1. CHECK MAIN SWITCH
With CONSULT-II
With “ICC” “DATA MONITOR”, check if “MAIN SW” and “CRUISE LAMP” operate normally.
OK or NG
OK >> GO TO 2.
NG >> GO TO 4.
2. CHECK UNIFIED METER AND A/C AMP.
With CONSULT-II
With “METER A/C AMP” “DATA MONITOR”, check if “CRUISE IND” operates normally.
OK or NG
OK >> 1. Perform “METER A/C AMP”self-diagnosis. Refer toDI-18, "CONSULT-II Function (METER A/C
AMP)" .
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
NG >> GO TO 3.
3. CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector, and connect it securely again.
3. Check if the malfunction is improved.
Is it improved?
YES >> 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.
NO >> GO TO 4.
4. PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
With CONSULT-II
1. Perform self-diagnosis.
2. Check if “DTC 100 CAN COMM CIRCUIT” is indicated.
Is it indicated?
YES >> CAN communication inspection. Refer to ACS-61, "DTC 100 CAN COMM CIRCUIT" .
NO >> ICC steering switch inspection. Refer to ACS-48, "
DTC 6 OPERATION SW CIRC" .