Diagnosis Procedure
- CHECK FUSE AND FUSIBLE LINK
Check that the following fuse is not blown (open).
Signal name
Fuse No.
Ignition power supply
16 (15 A)
Is the inspection result normal?
YES
GO TO 2.
NO
Replace the blown (open) fuse after repairing the affected circuit.
- CHECK REAR HEATED SEAT CONTROL UNIT POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect rear heated seat control unit connector.
- Check voltage between rear heated seat control unit harness connector and ground.
(+)
Condition
(-)
Voltage (V)
(Approx.)
Rear heated seat control unit
Connector
Terminal
B647
9
Ignition switch
ON
Ground
Battery voltage
OFF
0
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK REAR HEATED SEAT CONTROL UNIT GROUND CIRCUIT
Check continuity between rear heated seat control unit harness connector and ground.
Rear heated seat control unit
Ground
Continuity
Connector
Terminal
B647
16
Existed
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace harness.