Integration Relay Inspection

INTEGRATION RELAY INSPECTION
1. 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 terminal A10.
(d) Check that the bulb lights up and that 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. If operation is not as specified, replace the relay.






2. INSPECT INTEGRATION RELAY CIRCUIT
Seat belt warning
Remove the relay from the junction block No.1 and inspect the connectors on the junction block side.






If the circuit is as specified. trying replacing the relay with a new one. Is the circuit is not as specified. inspect the circuits connected to other parts.






3. INSPECT SEAT BELT WARNING LIGHT
(a) Remove the integration relay from the junction block No.1.
(b) Ground terminal A9 on the junction block 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.