Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Data Link Communications System Check? | -- | Go to Step 2 | |
2 |
Can coomunications be established? | -- | Go to Step 3 | Go to scan tools owners manual. |
3 |
Does the testlamp light? | -- | Go to Step 4 | Go to Step 6 |
4 | Connect the testlamp between terminals 16 and 4, and then 16 and 5 of the DLC. Does the testlamp light? | -- | Go to Step 5 | Go to Step 7 |
5 | Inspect the power and ground circuits of the DLC for intermittents and poor connections. Refer to Intermittents and Poor Connections Diagnosis Is the repair complete? | -- | -- | |
6 | Locate and repair the open in CKT 840 (ORN) between the AUX PWR fuse and the DLC. Refer to Wiring Repairs Is the repair complete? | -- | -- | |
7 | Locate and repair the open in CKT 150 (BLK) or CKT 451 (BLK/WHT) between the DLC and ground. Refer to Wiring Repairs Is the repair complete? | -- | -- |
