B1252
DTC B1252 Body No.2 ECU Switch Circuit Diagnosis
CIRCUIT DESCRIPTION
These DTC notify how switch works as follows:
If DTC is not output when operating switch, it means failure of switch contact. If DTC is output when not operating switch, it means stick of switch. When something wrong is found by this diagnosis, inspect each switch. Then, replace the switch if there is a problem, or check the wireharness if there is no problem.
DETECTING CONDITION
HINT: Refer to Body Control Module/Testing and Inspection Procedures for Body Control System diagnosis.