1.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT

1. Turn ignition switch ON.
2. Check voltage between seat belt buckle switch (driver side) harness connector and ground.

   (+) | (–) | Condition | Voltage (V) (Approx.)
   Seat belt buckle switch (driver side)
   Connector | Terminal
   B12 | 3 | Ground | When driver side seat belt is fastened | Battery voltage
   When driver side seat belt is not fastened | 0

Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
2.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE) CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect combination meter 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.

   Combination meter | Seat belt buckle switch (driver side) | Continuity
   Connector | Terminal | Connector | Terminal
   B53 | 30 | B12 | 3 | Existed

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

   Combination meter | Ground | Continuity
   Connector | Terminal
   B53 | 30 | Not existed

Is the inspection result normal?
YES>>Repair or replace combination meter.
NO>>Repair or replace harness between combination meter and seat belt buckle switch (driver side).
3.CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch (driver side) harness connector and ground.

Seat belt buckle switch (driver side) | Ground | Continuity
Connector | Terminal
B12 | 2 | Existed

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness between seat belt buckle switch and ground.
4.CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Check seat belt buckle switch (driver side). Refer to Component Inspection (Belt Buckle Switch).
Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace seat belt buckle switch (driver side).