Seat Belt Reminder Lamp: Testing and Inspection

INSPECT SEAT BELT WARNING LIGHT
a. Disconnect the connector from the retractor switch and ground terminal on the wire harness side connection
b. Turn the ignition switch ON and check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire harness.




INSPECT SEAT BELT BUCKLE SWITCH CONTINUITY
a. Check that continuity exists between the terminals 1 and 4 on the switch side connector with the switch ON (belt fastened).
b. Check that continuity exists between the terminals 2 and 4 on the switch side connector with the switch OFF (b unfastened).
If operation is not as specified, replace the switch.







INSPECT SEAT BELT BUCKLE SWITCH CIRCUIT
Driver side:
Passenger side:
Disconnect the switch connector and inspect the connector on wire harness side, as shown.
If continuity is not as specified, inspect the circuits connected to other parts




Passenger seat only:
INSPECT SEAT BELT WARNING OCCUPANT DETECTION SENSOR CONTINUITY
Check that continuity exists between the terminals 1 and 2 when pressing the sensing part.
If operation is not as specified, replace the sensor.

Passenger seat only:
INSPECT SEAT BELT WARNING OCCUPANT DETECTION SENSOR CIRCUIT