Description
It detects outside air temperature and converts it into a resistance value which is then input into the combination meter.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-32, "Wiring Diagram".
1.CHECK AMBIENT SENSOR SIGNAL CIRCUIT


Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connector.
2.CHECK AMBIENT SENSOR SIGNAL GROUND CIRCUIT
Check continuity between combination meter harness connector and ambient sensor harness connector.

Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connector.
Component Inspection
1.CHECK AMBIENT SENSOR

Is the inspection result normal? YES >> Inspection End.
NO >> Replace ambient sensor. Refer to HAC-104, "Removal and Installation".
Parking brake switch signal circuit
Meter control switch signal circuitPreparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-43897-18)
Oxygen sensor thread cutter
Reconditioning the exhaust system threads
before installing ...
P0963 pressure control solenoid A
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0963
PC SOLENOID A(Pressure Control Solenoid A Control Circuit
High)
When all of the following conditions are satisfied and this state is
maintain ...
Parking brake switch signal circuit
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, " ...