General Description - With VDC

General Description

CAUTION

SUPPLEMENTAL RESTRAINT SYSTEM "AIRBAG"
The airbag system wiring harness is routed near the ABS wheel speed sensor VDCCM and VDCH/U.

CAUTION: All airbag system wiring harnesses and connectors are yellow. Do not use the electrical test equipment on these circuits. Be careful not to damage the airbag system wiring harness when servicing the ABS wheel speed sensor, VDCCM and VDCH/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 of VDC ground bolt.

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

HYDRAULIC UNIT
Check the VDCH/U.
^ With brake tester refer to CHECKING THE VDC HYDRAULIC CONTROL MODULE (VDCH/M) VDC OPERATION BRAKE TESTER, INSPECTION.
^ Without brake tester refer to CHECKING THE VDC HYDRAULIC CONTROL MODULE (VDCH/M) VDC OPERATION BY PRESSURE GAUGE.

BRAKE DRAG
Check for brake drag.

BRAKE PAD AND ROTOR
Check the brake pad and rotor.
^ Front Brake Pad.>,
^ Rear Brake Pad.>,

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