2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 90
OK or NG
OK - 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.
NG - 1. Repair or replace ICC sensor integrated unit ground harness.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
C1A03
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
C1A03 VHCL SPEED SE CIRC
1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if "C1A04: ABS/TCS/VDC CIRC" (DTC 4) or "U1000: CAN COMM CIRCUIT" (DTC 100) other than "C1A03: VHCL SPEED SE
CIRC" (DTC 3) is indicated in self-diagnosis item in the display.
Is any indicated?
YES - 1. Repair or replace applicable item. See: Diagnostic Trouble Code Descriptions/Cruise Control System.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO - GO TO 2.
2.CHECK A/T VEHICLE SPEED SENSOR
With CONSULT-III
With "ICC" "Data Monitor", check if "VHCL SPD AT" operates normally.
OK or NG
OK - 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.
NG - 1. Perform "TRANSMISSION" self-diagnosis. See: Powertrain Management/Transmission Control Systems/Testing and Inspection/Scan
Tool Testing and Procedures/5AT RE5R05A/Trouble Diagnosis/CONSULT-III Function (Transmission) (for 5AT models) or See: Diagnostic
Trouble Code Descriptions/DTC Index/TCM (for 7AT models).
2. After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.
C1A04
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
C1A04 ABS/TCS/VDC CIRC
1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if "U1000: CAN COMM CIRCUIT" (DTC100) other than "C1A04: ABS/TCS/VDC CIRC" (DTC 4) is indicated in self-diagnosis item
in the display.
Is it indicated?
YES - 1. CAN communication inspection. See: U Code Charts/U1000/ACS/ICC.
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 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
1. Perform "ABS" self-diagnosis. See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Testing and Inspection/Scan
Tool Testing and Procedures/Trouble Diagnosis.
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.
C1A05
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
C1A05 BRAKE SW/STOP L SW
1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
