Wireless Door Lock Control Buzzer

WIRELESS DOOR LOCK CONTROL BUZZER SWITCH








1. INSPECT SWITCH CONTINUITY
If continuity is not as specified, replace the switch.
If continuity is as specified. inspect the switch circuit.








2. INSPECT SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
*1: Wireless door lock buzzer
*2: Wireless door lock control ECU
If the circuit is not as specified, inspect the circuits connected to other parts.

WIRELESS DOOR LOCK BUZZER INSPECTION

1. INSPECT BUZZER OPERATION





Connect the positive (+) lead from the ohmmeter to terminal 1 and the negative (-) lead to terminal 2. and measure resistance approx. 1 k ohm.
If resistance is not as specified. replace the buzzer.








2. INSPECT BUZZER CIRCUIT
Connect the ECU connector.
Measure signal between terminal 1 and body ground. when transmitter in ON and OFF.
If the operation is as specified. replace the ECU.