General Description

General Description

CAUTION

SRS AIRBAG SYSTEM
Airbag system wiring harness is routed near the ABS wheel speed sensor and VDCCM & H/U.

CAUTION:
^ Do not use electrical test equipment on wiring harness and connector circuits of the airbag system.
^ Be careful not to damage the airbag system wiring harness when servicing the ABS wheel speed sensor and VDCCM & H/U.

INSPECTION
Before performing diagnosis, check the following items which might affect VDC problems.

BATTERY
Measure the battery voltage and check electrolyte.
Standard voltage:
12 V or more
Specific gravity:
1.260 or more

GROUND
Check the tightening torque of ground (GB-5) bolt of VDC.
Tightening torque:
13 N.m (1.3 kgf-m, 9.6 ft-lb)

BRAKE FLUID
1) Check the brake fluid level.
2) Check the brake fluid for leaks.

HYDRAULIC UNIT
Check the hydraulic unit.
^ When using the brake tester Ref. to CHECKING THE HYDRAULIC UNIT ABS OPERATION WITH THE BRAKE TESTER.
^ When not using the brake tester Ref. to CHECKING THE HYDRAULIC UNIT ABS OPERATION BY PRESSURE GAUGE.
Hydraulic Control Assembly - Antilock Brakes

BRAKE DRAG
Check for brake drag.

BRAKE PAD AND ROTOR
Check the brake pad and rotor.

TIRES
Check the tire specifications, tire wear and air pressure.