B2193

B2193, P1612 CHAIN OF ECM-IMMU

Description
BCM performs the ID verification with hybrid vehicle control ECU that allows the hybrid system to start. Start the hybrid system if the ID is OK. Hybrid vehicle control ECU prevents the hybrid system from starting if the ID is not registered. BCM starts the communication with hybrid vehicle control ECU if ignition switch is turned ON.

DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-26, "DTC Logic". Security Control System
- If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-27, "DTC Logic". Security Control System

DTC CONFIRMATION PROCEDURE

Step 1:

Diagnosis Procedure