Component Function Check
1.CHECK PARKING BRAKE SWITCH OPERATION
Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal? YES >> Inspection End.
NO >> Proceed to diagnosis procedure. Refer to WCS-45, "Diagnosis Procedure".
Diagnosis Procedure
Regarding Wiring Diagram information, refer to WCS-29, "Wiring Diagram".
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace as necessary.
2.CHECK PARKING BRAKE SWITCH
Check parking brake switch. Refer to WCS-46, "Component Inspection".
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace parking brake switch. Refer to PB-7, "Exploded View".
3.CHECK PARKING BRAKE SWITCH SIGNAL
With CONSULT.

Is the inspection result normal? YES >> Refer to WCS-37, "Work Flow".
NO >> GO TO 4.
4.CHECK PARKING BRAKE SWITCH CIRCUIT


Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-82, "Removal and Installation".
NO >> Repair or replace malfunctioning components.
Component Inspection
1.CHECK PARKING BRAKE SWITCH

Is the inspection result normal? YES >> Inspection End.
NO >> Replace parking brake switch. Refer to PB-7, "Exploded View".
Seat belt buckle switch signal circuit
Key switch signal circuit (without intelligent key)B0020 side airbag module IH
Description
DTC B0020 FRONT LH SIDE AIR BAG MODULE
The front LH side air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the front LH side
air bag module.
PART LOCATION
Refer to SRC-6, "C ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...
Ignition switch (if so equipped)
WARNING
Never remove or turn the key to the
LOCK position while driving. The steering
wheel will lock (for models with a
steering lock mechanism). This may
cause the driver to lose control of the
vehicle and could result in serious vehicle
damage or personal ...