Seat Belt Buckle Switch Signal Circuit

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT





Description
Transmits a seat belt buckle switch signal (driver side) to the combination meter.




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 ignition switch ON.
2. Check voltage between combination meter harness connector and ground.





Is the inspection result normal?
YES - Replace combination meter
NO - GO TO 2.
2.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT
1. Turn ignition 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 (DRIVER SIDE) 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 ignition 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). Removal And Installation.