Toyota Corolla (E120): Door key lock and unlock switch circuit

Inspection procedure

Circuit description

Other materials:

Seat belt warning lamp for front passenger’s seat does not flash
Wiring diagram Inspection procedure 1 Inspect combination meter assy Ground terminal c9–11 on the combination meter side.  check that the warning lightlights up. Ok: warning light lights up. 2 Inspect passenger seat belt warning lamp assy Ground terminal c9– ...

Basic inspection
When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found ...

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...