Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 |
Is the fuse good? | -- | Go to Step 3 | Go to Step 2 |
2 | Locate and repair short to ground CKT 839 (PNK), CKT 275 (LT GRN), and/or CKT 1524 (GRY) and replace fuse. Is the repair complete? | -- | System OK | -- |
3 | Inspect the BTSI fuse in the underhhood fuse block. Is the fuse good? | -- | Go to Step 5 | Go to Step 4 |
4 | Locate and repair short to ground CKT 584 (LT GRN/BLK) and replace fuse. Is the repair complete? | -- | System OK | -- |
5 | Connect a test lamp between ground and Connector CI, terminal C of the park/neutral position (PNP) and backup lamp switch. Does the test lamp light? | -- | Go to Step 7 | Go to Step 6 |
6 | Locate and repair open circuit CKT 839 (PNK). Is the repair complete? | -- | System OK | -- |
7 | Connect a test lamp between ground and Connector CI, terminal B of the park/neutral position (PNP) and backup lamp switch. Does the test lamp light? | -- | Go to Step 9 | Go to Step 8 |
8 | Replace the park/neutral position (PNP) and backup lamp switch. | -- | System OK | -- |
9 | Connect a test lamp between ground and Connector C2, terminal B12 of the underhood fuse block. Does the test lamp light? | -- | Go to Step 11 | Go to Step 10 |
10 | Locate and repair open circuit CKT 275 (LT GRN). Is the repair complete? | -- | System OK | -- |
11 | Connect a test lamp between the stop lamp switch cavity E to ground. Does the test lamp light? | -- | Go to Step 13 | Go to Step 12 |
12 | Locate and repair open circuit CKT 584 (LT GRN/BLK). Is the repair complete? | -- | System OK | -- |
13 | Connect a test lamp between ground and the stop lamp switch cavity F. Does the test lamp light? | -- | Go to Step 15 | Go to Step 14 |
14 | Replace the stop lamp switch. Is the repair complete? | -- | System OK | -- |
15 | Connect a test lamp between ground and the automatic transmission controller connector C1, cavity E. Does the test lamp light? | -- | Go to Step 17 | Go to Step 16 |
16 | Locate and repair open in CKT 1135 (DK GRN/BLK). Is the repair complete? | -- | System OK | -- |
17 | Connect a test lamp between ground and the automatic transmission controller connector C1, cavity B. Does the test lamp light? | -- | Go to Step 19 | Go to Step 18 |
18 | Locate and repair open in CKT 584 (DK GRN/BLK) between splice S200 and the automatic transmission controller connector C1, cavity B. Is the repair complete? | -- | System OK | -- |
19 | Connect a DMM between ground and the automatic transmission controller connector C1, cavity A and check for continuity. Is there continuity? | -- | Go to Step 21 | Go to Step 20 |
20 | Locate and repair open in CKT 1850 (BLK) from the automatic transmission controller connector C1, cavity A to ground G200 Is the repair complete? | -- | System OK | -- |
21 |
Is the repair complete? | -- | System OK | Go to Step 22 |
22 | Replace the brake transmission shift interlock (BTSI) solenoid or the park lock solenoid, whichever is applicable. Is the repair complete? | -- | System OK | -- |
