Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Does the scan tool power up? | -- | Go to Step 2 | |
2 |
Does the scan tool communicate with the BCM? | -- | Go to Step 3 | Go to Step 4 |
3 |
Does the scan tool display any current DTCs? | -- | Go Wiring Systems for applicable symptom diagnosis | |
4 | Attempt to establish communications with other class 2 systems (i.e. the PCM, the IPC). Does the scan tool communicate with other class 2 systems? | -- | Go to Step 5 | |
5 | Inspect the BFC BATT fuse. Is the BFC BATT fuse open? | -- | Go to Step 11 | Go to Step 6 |
6 |
Does the test lamp light? | -- | Go to Step 7 | Go to Step 12 |
7 | Connect a test lamp to B+ and backprobe, in order to prevent damage to terminal to the BCM ground CKT 151 (BLK/WHT) cavities A10 of the PNK BCM (C3) connector. Does the test lamp light? | -- | Go to Step 9 | Go to Step 8 |
8 | Locate and repair the open in CKT 151 (BLK/WHT) between the BCM and ground Is the repair complete? | -- | Go to Step 16 | -- |
9 | With a DMM measure the resistance of CKT 1807 (PPL) between the PNK BCM connector (C3) cavity B2 and the DLC connector cavity 2 Does the DMM display at or below the specified value? | 5ohms | Go to Step 15 | Go to Step 10 |
10 | Locate and repair the open CKT 1807 (PPL). Is the repair complete? | -- | Go to Step 16 | -- |
11 |
Is the repair complete? | -- | Go to Step 16 | -- |
12 | With the test lamp, probe both sides of the BFC BATT fuse in the LH IPC junction block. Does the test lamp light on both sides of the fuse. | -- | Go to Step 13 | Go to Step 14 |
13 | Locate and repair the open CKT 1540 (ORN) between the BCM and the LH IPC junction block. Is the repair complete? | -- | Go to Step 16 | -- |
14 | Replace the LH IP junction block. Is the repair complete? | -- | Go to Step 16 | -- |
15 |
Is the repair complete? | -- | System OK | -- |
16 |
Are all DTCs cleared? | -- | System OK | -- |
