Thursday, August 15, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 798

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)