FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Test E: A Single Illumination Source Is Inoperative - Steering Wheel Control Switches

PINPOINT TEST E: A SINGLE ILLUMINATION SOURCE IS INOPERATIVE - STEERING WHEEL CONTROL SWITCHES


E1:






E1-E3:






E3-E4:






Normal Operation
A variable pulse width modulated (PWM) voltage is supplied to the steering wheel control switches from the instrument panel dimmer switch on circuit 1045 (DB/WH). The steering wheel control switches are grounded on circuit 57 (BK).

Possible Causes
- circuit 57 (BK) open
- circuit 1045 (DB/WH) open
- clockspring
- steering wheel control switches harness
- steering wheel control switches