Automatic Transmission Shift Lock Control Inoperative 4-Speed Automatic
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the On-Board Diagnostic (OBD) System Check performed? | -- | Go to Step 2 | Go to Automatic Transmission Shift Lock Control System Check |
2 |
Can you move the manual selector from the P position? | -- | Go to Step 3 | Go to Step 6 |
3 | Backprobe the transmission range switch connector with a J 35616-200 unpowered test lamp from cavity 7 to ground. Does the test lamp light? | -- | Go to Step 4 | Go to Step 5 |
4 | Repair the open in the YEL wire between the transmission range switch and the fuse block 2. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
5 | Replace the transmission range switch. Refer to Transmission Range Switch Replacement in Automatic Transmission. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
6 |
Can you move the manual selector from the P position? | -- | Go to Automatic Transmission Shift Lock Control System Check | Go to Step 7 |
7 | Backprobe the stoplamp switch connector with a J 35616-200 unpowered test lamp from cavity 1 to ground. Does the test lamp light? | -- | Go to Step 8 | Go to Step 9 |
8 | Repair the open in the GRN wire between the fuse block 2 and the stoplamp switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
9 |
Does the test lamp light? | -- | Go to Step 10 | Go to Step 12 |
10 | Inspect the stoplamp switch for the proper adjustment. Is the adjustment proper? | -- | Go to Step 11 | -- |
11 | Replace Stop Lamp Switch Replacement . Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
12 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 13 |
13 | Repair the open in the GRN/WHT wire between the stoplamp switch and the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
14 | With the transmission in the PARK position, backprobe the shift lock relay connector with a J 35616-200 unpowered test lamp from cavity 2 to ground. Does the test lamp light? | -- | Go to Step 15 | Go to Step 24 |
15 |
Is there continuity? | -- | Go to Step 16 | Go to Step 17 |
16 | Repair the open in the BLK wire between the shift lock relay and G200. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
17 |
Does the test lamp light? | -- | Go to Step 19 | Go to Step 18 |
18 | Replace the shift lock relay. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
19 |
Is there continuity? | -- | Go to Step 20 | Go to Step 21 |
20 | Repair the open in the BLU/GRN wire between the shift lock relay and the shift lock solenoid. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
21 | Test for continuity using a J 39200 DMM from the shift lock solenoid connector cavity 1 to ground. Is there continuity? | -- | Go to Step 22 | Go to Step 23 |
22 | Repair the open in the BLK ground wire between the shift lock solenoid and G200. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
23 | Replace the shift lock solenoid. Refer to Shift Lock Solenoid Replacement. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
24 | Backprobe the transmission range switch connector with a J 35616-200 unpowered test lamp from cavity 7 to ground. Does the test lamp light? | -- | Go to Step 25 | Go to Step 3 |
25 | Repair the open in the BLU/RED wire between the transmission range switch and the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
26 |
Does the test lamp light? | -- | Go to Step 28 | Go to Step 27 |
27 | Replace the shift lock solenoid. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
28 |
Does the test lamp light? | -- | Go to Step 29 | Go to Step 30 |
29 | Repair the short to voltage in the BLU/GRN wire between the shift lock relay and the shift lock solenoid. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
30 |
Does the test lamp light? | -- | Go to Step 31 | Go to Step 32 |
31 | Repair the short to voltage in the GRN/WHT wire between the stoplamp switch and the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
32 | Replace the stoplamp switch. Refer to Stop Lamp Switch Replacement . Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
Automatic Transmission Shift Lock Control Inoperative 3-Speed Automatic
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the On-Board Diagnostic (OBD) System Check performed? | -- | Go to Step 2 | Go to Automatic Transmission Shift Lock Control System Check |
2 |
Can you move the manual selector from the P position? | -- | Go to Step 3 | Go to Step 6 |
3 | Backprobe the transmission range switch connector with a J 35616-200 unpowered test lamp from cavity 6 to ground. Does the test lamp light? | -- | Go to Step 5 | Go to Step 4 |
4 | Repair the open in the YEL wire between the transmission range switch and the fuse block 2. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
5 | Replace the transmission range switch. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
6 |
Can you move the manual selector from the P position? | -- | Go to Automatic Transmission Shift Lock Control System Check | Go to Step 7 |
7 | Backprobe the stoplamp switch connector with a J 35616-200 unpowered test lamp from cavity 1 to ground. Does the test lamp light? | -- | Go to Step 9 | Go to Step 8 |
8 | Repair the open in the GRN wire between the fuse block 2 and the stoplamp switch. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
9 |
Does the test lamp light? | -- | Go to Step 12 | Go to Step 10 |
10 | Inspect the stoplamp for the proper adjustment. Is the adjustment proper? | -- | Go to Step 11 | -- |
11 | Replace the stoplamp switch. Refer to Stop Lamp Switch Replacement . Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
12 |
Does the test lamp light? | -- | Go to Step 14 | Go to Step 13 |
13 | Repair the open in the GRN/WHT wire between the stoplamp switch and the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
14 | Backprobe the shift lock relay connector with a J 35616-200 unpowered test lamp from cavity 2 to ground. Does the test lamp light? | -- | Go to Step 16 | Go to Step 15 |
15 | Repair the open in the YEL/BLU wire between the fuse block and the shift lock relay. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
16 |
Is there continuity? | -- | Go to Step 17 | Go to Step 18 |
17 | Repair the open in the BLK wire between the shift lock relay and G200. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
18 |
Does the test lamp light? | -- | Go to Step 20 | Go to Step 19 |
19 | Replace the shift lock relay. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
20 |
Is there continuity? | -- | Go to Step 21 | Go to Step 22 |
21 | Repair the open in the BLU/GRN wire between the shift lock relay and the shift lock solenoid. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
22 | Test for continuity using a J 39200 DMM from the shift lock solenoid connector cavity 1 to ground. Is there continuity? | -- | Go to Step 23 | Go to Step 24 |
23 | Repair the open in the BLK ground wire between the shift lock solenoid and G200. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
24 | Replace the shift lock solenoid. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
