2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 690
NO - GO TO 12.
12.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors E108, M15
- Harness for open or short between ECM and stop lamp switch
- Harness for open or short between ECM and ICC brake hold relay
- Repair open circuit, short to ground or short to power in harness or connectors.
13.CHECK STOP LAMP SWITCH
See: P Code Charts/P1572/ICC Brake Switch.
Is the inspection result normal?
YES - GO TO 14.
NO - Replace stop lamp switch.
14.CHECK ICC BRAKE HOLD RELAY
See: P Code Charts/P1572/ICC Brake Switch.
Is the inspection result normal?
YES - GO TO 15.
NO - Replace ICC brake hold relay.
15.CHECK INTERMITTENT INCIDENT
See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Initial Inspection and Diagnostic Overview/Trouble
Diagnosis For Intermittent Incident/Description.
- INSPECTION END
Component Inspection (ICC Brake Switch)
1.CHECK ICC BRAKE SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect ICC brake switch harness connector.
3. Check the continuity between ICC brake switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK ICC BRAKE SWITCH-II
1. Adjust ICC brake switch installation. See: Brakes and Traction Control/Brake Pedal Assy/Service and Repair/Inspection and Adjustment.
2. Check the continuity between ICC brake switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace ICC brake switch.
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK STOP LAMP SWITCH-II
1. Adjust stop lamp switch installation. See: Brakes and Traction Control/Brake Pedal Assy/Service and Repair/Inspection and Adjustment.
2. Check the continuity between stop lamp switch terminals under the following conditions.
