PARKING BRAKE SWITCH SIGNAL CIRCUIT

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

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

   
   

YES>>INSPECTION END

NO>>GO TO 2.

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

   
   

YES>>INSPECTION END

NO>>Repair the harnesses or connectors.

1. Turn the ignition switch OFF.
2. Disconnect the parking brake switch connector.
3. Check for continuity between the parking brake switch connector and the ground.
   

   Parking brake switch		Measuring condition	Continuity
   (+)	(-)
   1	Ground	Parking brake applied	Existed
   		Parking brake released	Not exist

   
   

YES>>INSPECTION END

NO>>Replace the parking brake switch.