Brakes and Traction Control: Description and Operation
General Description
CAUTION
SRS AIRBAG SYSTEM
The airbag system wiring harness is routed near the main relay and ECM.
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.
INSPECTION
Before performing diagnosis, check the following items which might affect the brake vacuum control.
BATTERY
Measure the battery voltage and check electrolyte.
Standard voltage: 12 V or more
Specific gravity: Above 1.260
BRAKE VACUUM HOSE
Make sure that the brake vacuum hose is not cracked or loose.
PREPARATION TOOL
SPECIAL TOOL
GENERAL TOOL