2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 683
Is the inspection result normal?
YES - GO TO 10.
NO - GO TO 9.
9.DETECT MALFUNCTIONING PART
Check the following.
- Fuse block (J/B) connector E101
- 10 A fuse (No. 20)
- Harness for open or short between stop lamp switch and battery
- Repair open circuit, short to ground or short to power in harness or connectors.
10.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check the continuity between stop lamp switch harness connector and ECM harness connector.
3. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES - GO TO 12.
NO - GO TO 11.
11.DETECT MALFUNCTIONING PART
Check the following.
- Harness connectors E108, M15
- Harness for open or short between ECM and stop lamp switch
- Repair open circuit, short to ground or short to power in harness or connectors.
12.CHECK STOP LAMP SWITCH
See: P Code Charts/P1572/ASCD Brake Switch.
Is the inspection result normal?
YES - GO TO 13.
NO - Replace stop lamp switch.
13.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 (ASCD Brake Switch)
1.CHECK ASCD BRAKE SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect ASCD brake switch harness connector.
3. Check the continuity between ASCD brake switch terminals under the following conditions.
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 2.
2.CHECK ASCD BRAKE SWITCH-II
1. Adjust ASCD brake switch installation. See: Brakes and Traction Control/Brake Pedal Assy/Service and Repair/Inspection and Adjustment.
2. Check the continuity between ASCD brake switch terminals under the following conditions.
Is the inspection result normal?
