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.)