Step | Action | Value(s) | Yes | No | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | Did you perform the radio/audio system diagnostic system check? | -- | Go to Step 2 | |||||||||||
2 | Attempt to duplicate the abnormal condition in each ignition switch key position. Is the condition present? | -- | Go to Step 3 | Go to Step 4 | ||||||||||
3 |
Is the condition still present? | -- | Go to Step 5 | -- | ||||||||||
4 | Contact the customer for an explanation of the faulty condition. Test the system again. Is the system OK? | -- | -- | |||||||||||
5 | Is the vehicle equipped with aftermarket electronic equipment? | -- | Go to Step 5 | Go to Step 6 | ||||||||||
6 | Inspect for proper installation of the aftermarket electronic equipment. Refer to Checking Aftermarket Accessories in Wiring Systems. Were GM aftermarket installation guidelines followed? | -- | Go to Step 8 | Go to Step 9 | ||||||||||
7 |
Is the system OK? | -- | -- | |||||||||||
8 | Remove the fuses and the circuit breakers one at a time until the faulty circuit has been identified. Have you identified the faulty circuit? | -- | Go to Step 10 | Go to Step 12 | ||||||||||
9 |
Did you complete the repair? | -- | -- | |||||||||||
10 |
Has the appropriate component been identified? | -- | Go to Step 11 | -- | ||||||||||
11 | Inspect the ground integrity of the component. Refer to Testing for Short to Ground in Wiring Systems. Is the ground of the component OK? | -- | Go to Step 12 | |||||||||||
12 | Repair the faulty circuit. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | -- |
