Diagnosis Procedure
Regarding Wiring Diagram information, refer to DEF-12, "Wiring Diagram".
1. CHECK REAR WINDOW DEFOGGER SWITCH
Check rear window defogger switch.
Refer to DEF-22, "WITH MANUAL A/C : Component Function Check".
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace the malfunctioning parts.
2. CHECK REAR WINDOW DEFOGGER RELAY
Check rear window defogger relay.
Refer to DEF-24, "Component Function Check".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace the malfunctioning parts.
3. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT
Check rear window defogger power supply and ground circuit.
Refer to DEF-26, "Component Function Check".
Is the inspection result normal? YES >> GO TO 4.
NO >> Repair or replace the malfunctioning parts.
4. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY

Is the inspection result normal? YES >> GO TO 5.
NO >> Replace fuse block (J/B).
5. CHECK BOTH DOOR MIRROR DEFOGGER
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Repair or replace the malfunctioning parts.
Defogger system symptoms
Rear window defogger does not operate but both of door mirror defogger
operateU1010 control unit (CAN)
Description
Initial diagnosis of combination meter.
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT
Detection Condition
Possible Cause
U1010
CONTROL UNIT (CAN)
[U1010]
When detecting error during the initial diagnosis of the CAN
controller
of co ...
CAN system (type 4)
MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (connector side
an ...
If your vehicle overheats
WARNING
Do not continue to drive if your vehicle
overheats. Doing so could cause engine
damage or a vehicle fire.
To avoid the danger of being scalded,
never remove the radiator or coolant
reservoir cap while the engine is still
hot. When the radiator o ...