FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

2. Key-Reminder Switch Input Circuit





DESCRIPTION OF OPERATION
The key-reminder switch is switched OFF and HIGH-level signals are sent to the ECU when the key is inserted into the ignition key cylinder: when the key is removed, the key-reminder switch is switched ON and LOW-level signals are sent to the ECU.





ECU TERMINAL VOLTAGE
Connection condition of the ECU connector.





CHECKING THE KEY REMINDER SWITCH CIRCUIT
Disconnect the connector of the ECU and check at the wiring harness side.