Laser FWD L4-1997cc 2.0L DOHC Turbo (1993)
DESCRIPTION OF OPERATION
When the door is closed (the door switch is switched OFF), HIGH-level signals are sent to the ECU.
When the door is opened (the door switch is switched ON), LOW-level signals are sent to the ECU.
ECU TERMINAL VOLTAGE
Connection condition of the ECU)
NOTE: * Measurement is not possible by using a voltmeter, but is possible by using an oscilloscope.
CHECKING THE DOOR SWITCH CIRCUIT
Disconnect the connector of the ECU and check at the wiring harness side.)
5. Door Lock Actuator Switch Input Circuit