Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the Audible Warnings Description and perform the necessary inspections? | -- | Go to Step 2 | |
2 |
Does the scan tool alternate between ON and OFF for both parameters in relation to the turn signal switch position? | -- | Go to Step 3 | Go to Step 7 |
3 |
Is the vehicle speed displayed for the vehicle in motion? | -- | Go to Step 4 | Go to Step 9 |
4 | Inspect the connections at the BCM. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems. Are the connections in need of repair? | -- | Go to Step 5 | Go to Step 6 |
5 | Repair the connections at the BCM as necessary. Refer to Connector Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
6 | Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | -- | Go to Step 10 | -- |
7 |
Avg. is displayed at the top of the meter. Is approximately 1/2 battery voltage displayed on both terminals? | -- | Go to Step 4 | Go to Step 8 |
8 | Repair the open or the high resistance in CKT 14 or 15. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
9 | Repair the open or the high resistance in CKT 389. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 2 |
