2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 798
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 "U0104" detected?
YES - See: U Code Charts/U0104.
NO - See: Testing and Inspection/Initial Inspection and Diagnostic Overview/How to Perform Efficient Diagnosis For an Electrical Incident.
Diagnosis Procedure
1.PERFORM SELF-DIAGNOSIS OF ICC SENSOR INTEGRATED UNIT
Perform ICC sensor integrated unit self-diagnosis with CONSULT-III.
Is any DTC detected?
YES - GO TO 2.
NO - GO TO 4.
2.ICC SENSOR INTEGRATED UNIT TROUBLE DIAGNOSIS
Perform trouble diagnosis of ICC sensor integrated unit. See: Diagnostic Trouble Code Descriptions/DTC No. Index/Automatic Transmission.
- GO TO 3.
3.ERASE DTC
Erase DTC memory of ABS actuator and electric unit (control unit) with self-diagnosis of CONSULT-III.
Is the DTC "U0104" erased?
YES - INSPECTION END
NO - Replace ABS actuator and electric unit (control unit).
4.PROVISIONAL REPLACEMENT OF ICC SENSOR INTEGRATED UNIT
Remove ICC sensor integrated unit. Install a normal ICC sensor integrated unit.
- GO TO 5.
5.ERASE DTC
Erase DTC memory of ABS actuator and electric unit (control unit) with self-diagnosis of CONSULT-III.
Is the DTC "U0104" erased?
YES - Replace ICC sensor integrated unit.
NO - Replace ABS actuator and electric unit (control unit).
U0121
TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS
U0121 VDC CAN CIR2
1.PERFORM ICC SENSOR INTEGRATED UNIT SELF-DIAGNOSIS
1. Perform self-diagnosis.
2. Check if "U1000: CAN COMM CIRCUIT" (DTC 100) other than "U0121: VDC CAN CIR2" (DTC 127) 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.
U0122
U0122 VDC CAN CIR1 (LDP)
