2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 688
4. Check the voltage between ICC brake switch harness connector and ground.
Is the inspection result normal?
YES - GO TO 5.
NO - GO TO 4.
4.DETECT MALFUNCTIONING PART
Check the following.
- Fuse block (J/B) connector E102
- 10 A fuse (No. 12)
- Harness for open or short between ICC brake hold relay switch and fuse
- Repair open circuit, short to ground or short to power in harness or connectors.
5.CHECK ICC BRAKE SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ICC brake switch harness connector and ECM harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 7.
NO - GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors E108, M15
- Harness for open or short between ICC brake switch and ECM
- Repair open circuit, short to ground or short to power in harness or connectors.
7.CHECK ICC BRAKE SWITCH
See: P Code Charts/P1572/ICC Brake Switch.
Is the inspection result normal?
YES - GO TO 15.
NO - Replace ICC brake switch.
8.CHECK DTC WITH ICC SENSOR INTEGRATED UNIT
See: Diagnostic Trouble Code Descriptions/Cruise Control System.
Is the inspection result normal?
YES - GO TO 9.
NO - Repair or replace.
9.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Disconnect ICC brake hold relay.
