1.CHECK COMBINATION METER INPUT SIGNAL

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

   Probe | Measuring condition | Voltage (Approx.)
   (+) | (-)
   Combination meter
   Connector | Terminal | Ground | Parking brake operated | 0 V
   M53 | 31 | Parking brake released | 5 V

Is the inspection result normal?
YES>>INSPECTION END
NO>>GO TO 2.
2.CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect the connectors of combination meter and parking brake switch.
3. Check for continuity between the combination meter harness connector and the parking brake switch harness connector.

   Combination meter | Parking brake switch | Continuity
   Connector | Terminal | Connector | Terminal
   M53 | 31 | M132 | 1 | Existed

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

   Combination meter | Ground | Continuity
   Connector | Terminal
   M53 | 31 | Not existed

Is the inspection result normal?
YES>>INSPECTION END
NO>>Repair the harnesses or connectors.