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DTC 37 Buckle Switch RH Failure

DTC DETECTING CONDITION:

Passenger's buckle switch circuit is open, shorted or shorted to ground.
Seat harness circuit is open, shorted or shorted to ground.
Occupant detection control module is faulty.

WIRING DIAGRAM:

Fig 1: Buckle Switch RH Failure - Wiring Diagram

G05020636

DIAGNOSTIC PROCEDURE CHART

Step	Check	Yes	No
1 CHECK POOR CONTACT OF CONNECTORS. Check for poor contact of the connectors between the occupant detection control module and buckle switch.	Is there poor contact?	Reconnect the connector. If the fault is not fixed, replace the airbag harness.	Go to step 2.
2 CHECK THE BUCKLE SWITCH. Turn the ignition switch to OFF, disconnect the battery ground terminal, and wait for 20 seconds. Disconnect the buckle switch connector (AB60). Connect the test harness AE1 and test harness connector Y to the buckle switch connector (AB60). Connect the battery ground terminal and turn the ignition switch to ON.	Does the airbag warning light illuminate for 6 seconds and go off?	Replace the buckle switch. < Ref. to INNER SEAT BELT ASSEMBLY , REMOVAL, Front Seat Belt. >	Check the seat harness, and if any fault is found, replace the seat harness. If the fault is not fixed, replace the occupant detection system.