Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The Data Link Connector (DLC) is unable to provide B+ and/or ground for scan tool operation. | ||||
1 | Did you perform the Data Link Communications Diagnostic System Check? | -- | Go to Step 2 | |
2 | Inspect the RADIO, RFA, HVAC, CLUSTER, DATA LINK fuse. Is the RADIO, RFA, HVAC, CLUSTER, DATA LINK fuse open? | -- | Go to Step 3 | Go to Step 4 |
3 |
Is the RADIO, RFA, HVAC, CLUSTER, DATA LINK fuse open again? | -- | Go to Step 10 | Go to Step 4 |
4 | Using a test light, connect between the Data Link Connector (DLC) terminals 4 and 16. Is the test light on? | -- | Go to Step 8 | Go to Step 5 |
5 | Using a test light, connect between the DLC terminals 5 and 16. Is the test light on? | -- | Go to Step 11 | Go to Step 6 |
6 | Using a test light, connect between the DLC terminal 16 and ground. Is the test light on? | -- | Go to Step 7 | Go to Step 12 |
7 | Using a test light, connect between B+ and the DLC terminal 4. Is the test light on? | -- | Go to Step 16 | Go to Step 11 |
8 | Using a test light, connect between the DLC terminals 5 and 16. Is the test light on? | -- | Go to Step 9 | Go to Step 13 |
9 | Connect scan tool on another vehicle. Does the scan tool work on another vehicle? | -- | Go to Step 14 | Go to Step 15 |
10 | Repair short to ground in circuit 640. Is the repair complete? | -- | Go to Step 16 | -- |
11 | Repair poor connection or open in circuit 1450. Is the repair complete? | -- | Go to Step 16 | -- |
12 | Repair poor connection or open in circuit 640. Is the repair complete? | -- | Go to Step 16 | -- |
13 | Repair poor connection or open in circuit 1550. Is the repair complete? | -- | Go to Step 16 | -- |
14 |
Is the action complete? | -- | Go to Step 16 | -- |
15 | Test for a faulty scan tool. Refer to scan tool manual for more information. Is the action complete? | -- | Go to Step 16 | -- |
16 |
Is the action complete? | -- | -- | |
