Electric Power Steering System
- CHECK HEATED STEERING WHEEL CONTINUITY
- Turn ignition switch OFF.
- Remove the heated steering wheel. Refer to STEERING WHEEL : Removal & Installation .
- Check continuity between heated steering wheel harness connector terminal and ground.
Heated steering wheel
Condition
Continuity
Terminal
1 - 2
Leather surface temperature of 20 deg. C (68 deg. F) or less
Existed
Leather surface temperature of 30 deg. C (86 deg. F) or more
Not existed
Is the inspection result normal?
YES
GO TO 2.
NO
Replace heated steering wheel. Refer to STEERING WHEEL : Removal & Installation .
- CHECK HEATED STEERING WHEEL RESISTANCE
Check resistance between heated steering wheel connector terminals.
Heated steering wheel
Condition
Resistance
Terminal
1 - 2
Leather surface temperature of 20 deg. C (68 deg. F)
1.7 - 2.17 Ohm
Is the inspection result normal?
YES
INSPECTION END
NO
Replace heated steering wheel. Refer to STEERING WHEEL : Removal & Installation .