Component Tests and General Diagnostics

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT (DRIVER SIDE)

Component Function Check


1. CHECK COMBINATION METER INPUT SIGNAL

Select the "Data Monitor" for the "METER/M&A" and check the "BUCKLE SW" monitor value.





- INSPECTION END


Diagnosis Procedure


1. CHECK COMBINATION METER INPUT SIGNAL

1.Turn power switch ON.
2.Check voltage between combination meter harness connector and ground.





Is the inspection result normal?
YES- Replace combination meter. Refer to "Removal and Installation" Removal And Installation.
NO- GO TO 2.

2. CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.Turn power switch OFF.
2.Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3.Check continuity between combination meter harness connector and seat belt buckle switch (driver side)
harness connector.





4.Check harness continuity between combination meter harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector.

3. CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check harness continuity between seat belt buckle switch (driver side) harness connector and ground.





Is the inspection result normal?
YES- INSPECTION END
NO- Repair harness or connector.


Component Inspection


1. CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

1.Turn power switch OFF.
2.Disconnect the seat belt buckle switch (driver side) connector.
3.Check continuity between terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace seat belt buckle (driver side). Refer to "SEAT BELT BUCKLE : Removal and Installation" Front Seat Belt.