Circuit/System Verification
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Ignition ON, observe the scan tool Dimming Control Signal parameter while operating the dimmer switch from high to low. The reading should change from a high percent to a low percent as the switch is rotated.
- If the reading does not change from a high percent to a low percent, refer to the Dimmer Switch Circuit Test .
- If the scan tool dimmer control operates normal, refer to the Interior Backlighting Circuit Test .