B2553

B2553 IGNITION RELAY

Description
BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON.
- Ignition relay (inside fuse box)
- Ignition relay (inside IPDM E/R)
- Blower fan motor relay BCM checks any ignition relay ON request for consistency with the actual ignition relay operation status.




DTC Logic

Step 1:

DTC CONFIRMATION PROCEDURE

Step 1-3:

Step 3(Continued)-4:

Diagnosis Procedure