Inspection
INSPECTIONBefore performing diagnosis, inspect the following items which may influence parking brake system problems.
BATTERY
Measure the battery voltage and specific gravity of the electrolyte.
Standard voltage:
12 V or more
Specific gravity:
1.260 or more
GROUND
Check the tightening torque of ground (GB-9 and 10) bolts of the parking brake system.
Tightening torque:
13 Nm (1.3 kgf-m, 9.6 ft-lb)
BRAKE DRAG
Check for brake drag.
PARKING BRAKE ASSEMBLY
Check and adjust the parking brake assembly.
^ Check the disc rotor inner diameter and lining thickness.
^ Adjust the shoe clearance.
TIRE
Check the tire specifications, tire wear and air pressure.