B1221

B1241 - 41 Body No.1 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 wire harness if there is no problem.

Detecting Condition:

HINT: Please refer to Body electrical for switch inspection, and to each door system of Diagnostic for wire harness inspection.