Diagnosis Procedure
- CHECK REAR SUNSHADE SWITCH POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect twin switch connector.
- Turn ignition switch ON.
- Check voltage between twin switch harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Twin switch
Connector
Terminal
M188
2
Ground
12
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK REAR SUNSHADE SWITCH POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect rear sunshade control unit connector.
- Check continuity between rear sunshade control unit harness connector and twin switch harness connector.
Rear sunshade control unit
Twin switch
Continuity
Connector
Terminal
Connector
Terminal
B82
4
M188
2
Existed
- Check continuity between rear sunshade control unit harness connector and ground.
Rear sunshade control unit
Ground
Continuity
Connector
Terminal
B82
4
Not existed
Is the inspection result normal?
YES
Replace rear sunshade assembly.
NO
Repair or replace harness.
- CHECK REAR SUNSHADE SWITCH GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between twin switch harness connector and ground.
Twin switch
Ground
Continuity
Connector
Terminal
M188
3
Existed
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK REAR SUNSHADE SWITCH
Check rear sunshade switch.
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 5.
NO
Replace twin switch.
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
INSPECTION END