No Torque Converter Lock-Up
Check shift solenoid valve SL circuit, TP sensor circuit, VSS circuit, O/D cancel circuit, brakelight circuit, ECT sensor circuit, ECM/PCM circuit, lock-up relay valve and torque converter clutch.
Torque Converter Lock-Up Will Not Release
Check shift solenoid valve SL circuit, TP sensor circuit, IDL switch circuit, brakelight circuit, ECM/PCM circuit, lock-up relay valve and torque converter clutch.
SHIFT SPEED SPECIFICATIONS
| Application | MPH |
| "D" Position |
| 1st-2nd (1) | 36-42 |
| 2nd-3rd (1) | 67-74 |
| 3rd-4th (1) | 92-101 |
| 4th-3rd (1) | 89-98 |
| 3rd-2nd (1) | 60-65 |
| 3rd-4th (2) | 22-26 |
| 4th-3rd (2) | 11-14 |
| 2nd-1st (1) | 27-31 |
| "2" Position |
| 1st-2nd (1) | 34-39 |
| 3rd-2nd (1) | 56-62 |
| 2nd-1st (1) | 25-29 |
| "L" Position |
| 2nd-1st (1) | 27-31 |
| (1) Wide open throttle. (2) Fully closed throttle. |
| (2) | Fully closed throttle. |
SHIFT SPEED SPECIFICATIONS
LOCK-UP SPEED SPECIFICATIONS
| Application | MPH |
| "D" Position |
| Lock-Up On in 3rd (1) | 39-44 |
| Lock-Up Off in 3rd (1) | 34-39 |
| Lock-Up On in O/D (1) | 39-43 |
| Lock-Up Off in O/D (1) | 34-39 |
| (1) Throttle valve opening at 5 percent. |
| (1) | Throttle valve opening at 5 percent. |
TORQUE CONVERTER
| CAUTION | Perform test at normal operating fluid temperature of 122-176°F (50-80°C). DO NOT continue test for more than 10 seconds. |
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) |
| Vehicle Speed Sensor Bolt | 12 (16) |
| INCH Lbs. (N.m) |
| Park/Neutral Position Switch |
| Bolt | 48 (5) |
| Lock Nut | 62 (7) |
Scheme 1
Scheme 1: CONNECTOR IDENTIFICATION
Scheme 2
Scheme 3
Scheme 4
Scheme 5
Scheme 6
Scheme 7
Scheme 8
Scheme 9
Scheme 10
Scheme 11
Scheme 12
Scheme 13