DTC B2603: EPB Control
DTC detecting condition:
Detection of EPB abnormal signal continued for a certain period of time (2100 ms) or more.
Trouble symptom:
There is no effect on power seat memory operation.
- CHECK DTC
.
- Turn the ignition switch to ON.
- Read the DTC of [Power Seat Memory] using the Subaru Select Monitor. Ref. to POWER SEAT MEMORY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2603 displayed? (Current malfunction)
Yes: Go to 2 .
No: Even if DTC is displayed, the circuit has returned to a normal condition at this time.
Reproduce the failure, and perform the diagnosis again.
NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause. - CHECK DTC
.
Perform the inspection for LAN system. Ref. to LAN SYSTEM (DIAGNOSTICS)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
Is the check result OK?
Yes: Go to 3 .
No: Perform the inspection according to the diagnosis for LAN system.
- CHECK BODY INTEGRATED UNIT
.
- Turn the ignition switch to OFF.
- Replace with a normal Power Seat and Remote Control Mirror control module. Ref. to SEATS>POWER SEAT SYSTEM .
- Turn the ignition switch to ON.
- Read the DTC of [Power Seat Memory] using the Subaru Select Monitor. Ref. to POWER SEAT MEMORY (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
Is DTC B2603 displayed? (Current malfunction)
Yes: Replace the body integrated unit. Ref. to SECURITY AND LOCKS>BODY INTEGRATED UNIT .
No: There was something wrong with Power Seat and Remote Control Mirror control module.