Automatic Transmission Shift Lock Control Diagnosis Transmission May Be Shifted
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The transmission may be shifted from park without the actuation of the brake pedal and with the ignition switch in the RUN position. | ||||
1 | Has the BTSI System Check been performed? | -- | Go to Step 2 | Go to Automatic Transmission Shift Lock Control System Check |
2 |
Is there battery voltage? | -- | Go to Step 4 | Go to Step 3 |
3 | Locate and repair the open in CKT 150 (BLK) between cavity B of the BTSI connector and ground. Refer to Wiring Repairs in wiring. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
4 |
Is there battery voltage? | -- | Go to Step 5 | Go to Step 6 |
5 | Adjust or replace the BTSI solenoid. Refer to BTSI - Disassemble or BTSI - Assemble. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
6 |
Is there continuity? | -- | Go to Step 8 | Go to Step 7 |
7 | Locate and repair the open in CKT 1135 (GRN/WHT) between the stoplamp switch connector and the BTSI connector. Refer to Wiring Repairs in wiring. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
8 | Connect a J 39200 between cavity E of the stoplamp switch connector and B+. Is there battery voltage? | -- | Go to Step 9 | Go to Step 10 |
9 | Replace the stoplamp switch. Refer to Stop Lamp Switch Replacement in brakes. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
10 |
Is there continuity? | -- | Go to Step 12 | Go to Step 11 |
11 | Locate and repair the open in CKT 275 (LT GRN) between PNP switch connector C1 cavity B and cavity E of stoplamp switch connector. Refer to Wiring Repairs in wiring. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
12 | Connect a J 39200 between cavity C connector C1 of PNP connector and B+. Is there battery voltage? | -- | Go to Step 14 | Go to Step 13 |
13 | Locate and repair the open in CKT 139 (PNK) between the PNP switch and the IP fuse block. Refer to Wiring Repairs in wiring. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
14 | Adjust or replace the PNP switch. Refer to Park/Neutral Position Switch Adjustment or Park/Neutral Position Switch Replacement in transmission/transaxle. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
Automatic Transmission Shift Lock Control Diagnosis Transmission Will Not Shift
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
DEFINITION: The transmission will not shift from park with the brake pedal actuated and the ignition switch in the RUN position. | ||||
1 | Has the BTSI System Check been performed? | -- | Go to Step 2 | Go to Automatic Transmission Shift Lock Control System Check |
2 |
Is there battery voltage? | -- | Go to Step 4 | Go to Step 3 |
3 |
Is there battery voltage? | -- | Go to Step 6 | Go to Step 5 |
4 | Replace the stoplamp switch. Refer to Stop Lamp Switch Replacement in brakes. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
5 |
Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
6 | Repair the short to voltage in CKT 1135 (DKGRN) between the stoplamp switch connector and the BTSI connector. Refer to Wiring Repairs in wiring. Is the repair complete? | -- | Go to Automatic Transmission Shift Lock Control System Check | -- |
