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".
Corrosion protection
Most common factors contributing to vehicle
corrosion
Most vehicle corrosion is caused by:
the accumulation of moisture-retaining dirt
and debris in body panel sections, cavities,
and other areas
damage to paint and other protective coatings
caused by gravel and stone chip ...
Power supply routing circuit
Wiring Diagram —Battery Power Supply —
Wiring Diagram —Accessory Power Supply —
Wiring Diagram —Ignition Power Supply —
Fuse
If fuse is blown, be sure to eliminate cause of malfunction before
ins ...
DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication system for real time
application. It is an on-vehicle
multiplex communication system with high data communication speed and excellent
error detection ability.
Many electronic control units are equipp ...