2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 103
2. Check if "C1A03: VHCL SPEED SE CIRC" (DTC 3), "C1A04: ABS/TCS/VDC CIRC" (DTC 4) or "U1000:
CAN COMM CIRCUIT" (DTC100) other than "C1A15: GEAR POSITION" (DTC 15) 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 VEHICLE SPEED SIGNAL
With CONSULT-III
With "ICC" "Data Monitor", check if "VHCL SPEED SE" operates normally.
OK or NG
OK - GO TO 3.
NG - 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.
3.CHECK SHIFT GEAR POSITION
Check if gear positions are correct in A/T.
OK or NG
OK - GO TO 5.
NG - GO TO 4.
4.CHECK TCM GEAR POSITION SIGNAL
With CONSULT-III
With "TRANSMISSION" "Data Monitor", check if gear positions are correct.
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.
5.CHECK TCM INPUT SPEED
With CONSULT-III
With TCM diagnosis, check if input speed sensor is normal. See: P Code Charts/P0717/5AT RE5R05A See: P Code Charts/P0717/5AT
RE5R05A See: P Code Charts/P0717/5AT RE5R05A See: P Code Charts/P0717/5AT RE5R05A See: P Code Charts/P0717/5AT RE5R05A See:
P Code Charts/P0717/5AT RE5R05A.
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.
C1A16
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
C1A16 RADAR STAIN
1.VISUAL INSPECTION 1
Check ICC sensor integrated unit body window for contamination and foreign materials.
Is it found?
YES - 1. If any, remove them.
2. Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.
NO - GO TO 2.
2.VISUAL INSPECTION 2
Check ICC sensor integrated unit body window for cracks and scratches.
Is it found?
YES - 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.
NO - GO TO 3.
3.ASKING COMPLAINTS
1. Ask if there is any trace of contamination or foreign material on ICC sensor integrated unit.
2. Ask if vehicle was driven in snow or ICC sensor integrated unit was frosted.
3. Ask if ICC sensor integrated unit was fogged temporarily. (Front window glass may have also tended to be fogged.)
Is there any symptom?
YES - Explain difference in displays between contamination detection result and current indication to customer, and tell them "This is not
malfunction".
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.
