Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
The data link connector (DLC) does not provide B+ or ground for the scan tool operation. | ||||
1 | Was the Data Link Connector (DLC) System Check performed? | -- | Go to DLC System Check | |
2 | Does the radio and IP cluster work? | -- | ||
3 | Using a test light, connect between DLC terminal 16 and ground. Does the test light illuminate? | -- | ||
4 | Inspect the RADIO-HVAC fuse. Is the RADIO-HVAC fuse open? | -- | ||
5 |
Is the RADIO-HVAC fuse open again? | -- | ||
6 | Using a test light, connect between DLC terminal 4 and terminal 16. Does the test light illuminate? | -- | ||
7 | Repair the short to ground in circuit 640. Is the short repaired? | -- | -- | |
8 | Repair a poor connection or an open in circuit 640. Has the repair been made? | -- | -- | |
9 | Repair an intermittent short to ground in circuit 640. Has the repair been made? | -- | -- | |
10 | Using a test light, connect between DLC terminal 5 and terminal 16. Does the test light illuminate? | -- | ||
11 | Repair a poor connection or an open in circuit 1450. Has the repair been made? | -- | -- | |
12 | Connect the scan tool on another vehicle. Does the scan tool operate correctly on the other vehicle? | -- | ||
13 | Repair a poor connection or an open in circuit 1550. Has the repair been made? | -- | -- | |
14 | Repair a poor connection between the scan tool and the DLC. Has the repair been made? | -- | -- | |
15 | Test for a faulty scan tool. Refer to the scan tool manual for more information. Has the repair been made? | -- | -- | |
16 |
Have all the repairs been made? | -- | Go to the DLC System Check | -- |
