- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Remove the left front splash shield. Refer to
Front Fender Liner Replacement.
- Remove the retaining clips for the transmission and cooler lines.
- Remove the cooler lines from the transmission.
- Remove the automatic transmission fluid pressure test hole plug (816) with the O-Ring seal (815).
- Install the KM 580 (1) with sealing washer into the fluid test hole plug.
- Connect the KM 580 (1) to the
SA9127E
(2).
- Install the oil cooler lines and retainer clips.
- Fully apply the parking brake.
- Connect a scan tool for engine RPMs.
- Start the engine and allow the engine to warm up at idle.
- Firmly apply the brake and shift into REVERSE (R).
- Allow the engine to idle and record the line pressure.
Specifications
510-610 kPa (74-89 psi)
Important: Do not perform the 2545 RPM test longer than 5 seconds.
- Increase the engine speed to 2545 RPM and record the line pressure.
Specifications
1470-1690 kPa (213-245 psi)
- Allow the transmission fluid to cool at idle in PARK (P) for at least one minute.
- Firmly apply the brake and shift into DRIVE (D).
- Allow the engine to idle and record the line pressure.
Specifications
360-420 kPa (52-56 psi)
Important: Do not perform the 2600 RPM test longer than 5 seconds.
- Increase the engine speed to 2545 RPM and record the line pressure.
Specifications
1100-1280 kPa (160-186 psi)
- If the line pressure reading is not within specifications refer to the Line Test Results table.
Notice: Refer to Fastener Notice in the Preface section.
- Remove the tools and install the automatic transmission fluid pressure test hole plug (816) and a new O-Ring (815).
Tighten
Tighten the test hole plug to 7 N·m (62 lb in).
- Install the transmission oil cooler lines.
- Install the left front splash shield. Refer to
Front Fender Liner Replacement.
Line Test Results
Result
| Possible Cause
|
Higher than standards in both Drive and Reverse
|
• | Line pressure control solenoid - (STH) (316) failure |
• | Primary regulator valve (379) failure |
|
Lower than standards both Drive and Reverse
|
• | Line pressure control solenoid - (STH) (316) failure |
• | Primary regulator valve (379) failure |
|
Lower than standards only Drive
|
• | Drive hydraulic circuit failure |
• | Forward Clutch (18) failure |
|
Lower than standards only Reverse
|
• | Reverse hydraulic circuit failure |
• | Reverse gear clutch (23) failure |
|