Step | Action | Value(s) | Yes | No | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DEFINITION: The radio vacuum florescent display goes blank and the radio button backlighting goes off when the park lamps are turned on. | ||||||||||||
1 | Did you perform the Radio/Audio Diagnostic System Check? | -- | Go to Step 2 | |||||||||
2 |
Does the radio vacuum florescent display operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||||
3 | Test the DC dimming signal circuit for:
Refer to: Did you find and correct the condition? | -- | Go to Step 7 | Go to Step 4 | ||||||||
4 | Test the DC output voltage of the headlamp and IP lamp dimmer switch at the DC dimming signal circuit. Does the voltage vary as the IP dimmer switch is rotated? | -- | Go to Step 5 | Go to Step 6 | ||||||||
5 | Replace the radio. Refer to: Radio Replacement Did you complete the repair? | -- | Go to Step 7 | -- | ||||||||
6 | Replace the headlamp and IP lamp dimmer switch. Refer to: Headlamp Switch Replacement Did you complete the repair? | -- | Go to Step 7 | -- | ||||||||
7 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 | ||||||||
