Seat Belt Reminder Lamp: Testing and Inspection

SEAT BELT WARNING RELAY INSPECTION





1. INSPECT WARNING LIGHT
(a) Disconnect the connector from the seat belt warning relay.
(b) Ground terminal A9 on the wire harness side connector.
(c) Turn the ignition switch ON, check that the warning light lights up.
If the warning light does not light up, inspect the bulb or wire harness.

2. INSPECT INTEGRATION RELAY OPERATION

Seat belt warning






(a) Connect the positive (+) lead from the battery to terminals A1 and A7.
(b) Connect the terminal A7 to terminal A9 through the 3.4 W test bulb.
(c) Connect the negative (-) lead from the battery to terminals A10.




(d) Check that the bulb lights and the chime sounds for 4 - 8 seconds.
(e) Return to step (a) and operate the chime again.
(f) Connect the negative (-) lead from the battery to terminal A8.
(g) Check that the chime stops sounding.

HINT: Check the chime within a period of 4 to 8 seconds.

Key Unlock Warning





(a) Connect the positive (+) lead from the battery to terminal A1.
(b) Connect the negative (-) lead from the battery to terminals A5, A6 and A10.
(c) Check the chime sounds.





(d) Disconnect the negative (-) lead from the battery to terminals A5.
(e) Check that the chime stops sounding.





(f) Connect the negative (-) lead from the battery to terminals A5.
(g) Disconnect the negative (-) lead from the battery to terminals A6.
(h) Check that the chime stops sounding.
If operation is not as specified, replace the relay.








3. INSPECT INTEGRATION RELAY CIRCUIT
Remove the connector from relay and inspect connector on the wire harness side, as shown.
If continuity is not as specified, inspect the circuits connected to other parts.





4. INSPECT BUCKLE SWITCH
(a) Check that there is continuity between terminals on the switch side connector with the switch ON (belt fastened).
(b) Check that there is no continuity between terminals on the switch side connector with the switch OFF (belt unfastened).
If operation is not as specified, replace the seat belt inner.








5. INSPECT BUCKLE SWITCH CIRCUIT
Disconnect the connector from the switch and inspect the connector on the wire harness side, as shown.
If the circuit is not as specified, inspect the circuits connected to other parts.