Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » A L L Diagnostic Trouble Codes ( DTC ) » Testing and Inspection » P Code Charts » P1612 » Coupe  
 
 
  Coupe  
 

B2193, P1612 CHAIN OF ECM-IMMU

Description
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON.

DTC Logic

DTC DETECTION LOGIC

NOTE:

  

DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON under the following conditions.
    • CVT selector lever is in the P or N position.
    • Do not depress brake pedal.
  1. Check "Self diagnostic result" with CONSULT-III. Is DTC detected?

YES >> Refer to Diagnosis Procedure.
NO >> Inspection End.

Diagnosis Procedure
1.REPLACE BCM

  1. Replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair.
  2. Perform initialization with CONSULT-III. For initialization, refer to CONSULT-III Operation Manual".

Does the engine start?
YES >> BCM is malfunctioning.