Seat Belt Buckle Switch LH Signal Inspection

WARNING CHIME

Seat Belt Buckle Switch LH Signal Inspection


1. CHECK SEAT BELT BUCKLE SWITCH LH SIGNAL INPUT (BCM)

1.Select "BCM" on CONSULT.
2.With "DATA MONITOR" of "BUZZER", confirm "BUCKLE SW" when the seat belt buckle switch LH is operated.
"BUCKLE SW"
When seat belt is fastened: OFF
When seat belt is unfastened: ON
OK or NG
OK- Inspection End.
NG- GO TO 2.

2. CHECK SEAT BELT BUCKLE SWITCH LH SIGNAL INPUT (COMBINATION METER)

1.Turn ignition switch ON.





2.Check voltage between combination meter harness connector
M24 terminal 26 and ground.





OK or NG
OK- Replace combination meter. Removal And Installation.
NG- GO TO 3.

3. CHECK SEAT BELT BUCKLE SWITCH LH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect combination meter connector and seat belt buckle switch LH connector.





3.Check continuity between combination meter harness connector (A) and seat belt buckle switch LH harness connector (B).





4.Check continuity between combination meter harness connector (A) and ground.





OK or NG
OK- GO TO 4.
NG- Repair harness or connector.

4. CHECK SEAT BELT BUCKLE SWITCH LH

Check seat belt buckle switch LH. Electrical Component Inspection.
OK or NG
OK- Check seat belt buckle switch LH ground circuit.
NG- Replace seat belt buckle switch LH.