2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 88
C1A01 POWER SUPPLY CIR, C1A02 POWER SUPPLY CIR 2
1.CHECK CONNECTOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit 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 "C1A01: POWER SUPPLY CIR" (DTC 1) or "C1A02: POWER SUPPLY CIR 2" (DTC 2) is indicated in self-diagnosis item in the
display.
Is malfunction indicated?
YES - GO TO 2.
NO - Poor connector connection
1. Check connector. (Check connector housing for disconnected, loose, bent, and collapsed terminals. 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 POWER SUPPLY CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Disconnect ICC sensor integrated unit connector.
3. Turn ignition switch ON.
4. Check voltage between ICC sensor integrated unit harness connector and ground.
OK or NG
OK - GO TO 3.
NG - 1. Repair or replace ICC sensor integrated unit power supply harness or fuse.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
3.CHECK GROUND CIRCUIT FOR ICC SENSOR INTEGRATED UNIT
1. Turn ignition switch OFF.
2. Check continuity between ICC sensor integrated unit harness connector and ground.
OK or NG
OK - 1. Replace ICC sensor integrated unit, and adjust laser beam aiming.
2. Erase DTC and perform ICC system running test.
