DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM INITIALIZATION
Perform initialization with CONSULT. Re-register all mechanical keys.

For initialization and registration of mechanical key, refer to CONSULT Immobilizer mode and follow the on-screen instructions.

Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

ID was unregistered.

NO

GO TO 2
REPLACE BCM
1. Replace BCM. Refer to Removal and Installation .
2. Perform initialization with CONSULT. Re-register all mechanical keys.
  For initialization and registration of mechanical key, refer to CONSULT Immobilizer mode and follow the on-screen instructions.
Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

BCM was malfunctioning.

NO

GO TO 3
REPLACE ECM
1. Replace ECM. Refer to Removal and Installation (VQ40DE) or Removal and Installation (VK56VD).
2. Perform initialization with CONSULT. Re-register all mechanical keys.
  For initialization and registration of mechanical key, refer to CONSULT Immobilizer mode and follow the on-screen instructions.
Can the system be initialized and can the engine be started with re-registered mechanical key?

YES

ECM was malfunctioning.

NO

GO TO 4
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .

Inspection End.