Security Control System

B261A PUSH-BUTTON IGNITION SWITCH

Description
BCM transmits the change in the power supply position with the push-button ignition switch to IPDM E/R via the CAN communication. IPDM E/R transmits the power supply position status via CAN communication to BCM.

DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC B261A is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-26, "DTC Logic". Security Control System
- If DTC B261A 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

Step 1-2:

Step 2 (Continued)-4:

Step 4 (Continued)-6: