P1612

B2193, P1612 Chain Of ECM-IMMU

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

DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to [U1000 CAN COMM Circuit]. U1000
- If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to [U1010 Control Unit (CAN)]. U1010

B2193 / P1612:

DTC CONFIRMATION PROCEDURE

Step 1:

Diagnosis Procedure