Diagnosis Procedure
- CHECK FRONT HEATED SEAT RELAY POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect front heated seat relay.
- Turn ignition switch ON.
- Check voltage between heated front seat relay terminal connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Front heated seat relay
Connector
Terminal
M70
2
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
GO TO 2.
- CHECK FRONT HEATED SEAT RELAY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect fuse block (J/B) connector.
- Check continuity between front heated seat relay terminal connector and fuse block (J/B) harness connector.
Front heated seat relay
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M70
2
M1
2A
Existed
- Check continuity between front heated seat relay terminal connector and ground.
Front heated seat relay
Ground
Continuity
Connector
Terminal
M70
2
Not existed
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace harness.
- CHECK FRONT HEATED SEAT RELAY GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between front heated seat relay terminal connector and ground.
Front heated seat relay
Ground
Continuity
Connector
Terminal
Existed
M70
1
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK FRONT HEATED SEAT RELAY
Check front heated seat relay.
Refer to Component Inspection .
Is the inspection result normal?
YES
GO TO 5.
NO
Replace front heated seat relay.
- CHECK INTERMITTENT INCIDENT
Check intermittent incident.
Refer to Intermittent Incident .
INSPECTION END