2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 801
2. Check if "U1000: CAN COMM CIRCUIT" (DTC 100) other than "U0401: ECM CAN CIR1" (DTC 120) 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 ECM SELF-DIAGNOSIS
With CONSULT-III
1. Perform "ENGINE" self-diagnosis. See: Diagnostic Trouble Code Descriptions/DTC Index/EC (for VQ35HR) or , "CONSULT-III
Function" (for VK45DE).
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.
U0402
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
U0402 TCM CAN CIR1
1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if "U1000: CAN COMM CIRCUIT" (DTC 100) other than "U0402: TCM CAN CIR1" (DTC 122) 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 TCM SELF-DIAGNOSIS
With CONSULT-III
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. 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.
U0405
U0405 LDP) ICC CAM CAN CIR1
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.DTC ERASE
Erase the DTC memory of ABS actuator and electric unit (control unit) with CONSULT-III.
- GO TO 2.
2.DTC CONFIRMATION
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Perform the self-diagnosis of ABS actuator and electric unit (control unit) with CONSULT-III.
Is the DTC "U0405" detected?
YES - See: U Code Charts/U0405.
NO - See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.
