Thursday, April 11, 2019

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 39

2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 39



1. Replace BCM



2. Perform initialization with CONSULT-III.



For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS".



Does the engine start?



Yes - BCM is malfunctioning.



- Replace BCM.



- Perform initialization with CONSULT-III



- For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS"



No - ECM is malfunctioning.



- Replace ECM.



- Perform initialization or re-communicating function



- For initialization, refer to "CONSULT-III Operation Manual NATS-IVIS/NVIS"



- For re-communicating function,



B2202



UNIFIED METER AND A/C AMP



DTC [B2202] Meter Communication Circuit



Symptom: Displays "METER COMM CIRC [B2202]" as a self-diagnosis results of unified meter and A/C amp.



1.CHECK CONNECTOR



Check combination meter, unified meter and A/C amp. and terminals (combination meter side, unified meter and A/C amp. side, and harness side)



for looseness or bent.



OK or NG



OK - GO TO 2.



NG - Repair terminal or connector.



2.CHECK CONTINUITY COMMUNICATION CIRCUIT (TX: UNIFIED METER AND A/C AMP.)



1. Turn ignition switch OFF.



2. Disconnect combination meter connector and unified meter and A/C amp. connector.



3. Check continuity between combination meter harness connector



(A) and unified meter and A/C amp. harness connector (B).



4. Check continuity between combination meter harness connector



(A) and ground.



OK or NG



OK - GO TO 3.



NG - Repair harness or connector.



3.CHECK CONTINUITY COMMUNICATION CIRCUIT (RX: UNIFIED METER AND A/C AMP.)