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

Inspection procedure

Circuit description

Other materials:

Manual transmission/transaxle
Preparation Sst Equipment Lubricant ...

Circuit description
The throttle position sensor is mounted in the throttle body and detects the throttle valve opening angle. When the throttle valve is fully closed, a voltage of approximately 0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage applied to terminal vta of the ecm increases in pro ...

Inspection
1. Inspect defogger relay (marking: def) Remove the defogger relay from the instrument panel j/b.  inspect the defogger relay. Standard: If the result is not as specified, replace the relay ...