Chapter 2: On-vehicle Repair

ON-VEHICLE REPAIR SYMPTOM

Symptom/Suspect Area

See

Vehicle Does Not Move In Any Forward Position And Reverse Position

1. Manual Valve

⁽¹⁾

2. Valve Body Assy (Primary Regulator Valve)

3. Valve Body Assy (Secondary Regulator Valve)

4. Off-Vehicle Repair Matrix Chart

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Vehicle Does Not Move In R Position

1. Manual Valve

⁽¹⁾

2. Off-Vehicle Repair Matrix Chart

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No Up-Shift (1st --> 2nd)

1. Valve Body Assy (1-2 Shift Valve)

2. Off-Vehicle Repair Matrix Chart

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No Up-Shift (2nd --> 3rd)

1. Valve Body Assy (2-3 Shift Valve)

2. Off-Vehicle Repair Matrix Chart

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No Up-Shift (3rd --> O/D)

1. Valve Body Assy (3-4 Shift Valve)

2. Off-Vehicle Repair Matrix Chart

.....

No Down-Shift (O/D --> 3rd)

Valve Body Assy (3-4 Shift Valve)

No Down-Shift (3rd --> 2nd)

Valve Body Assy (2-3 Shift Valve)

No Down-Shift (2nd --> 1st)

Valve Body Assy (1-2 Shift Valve)

No Lock-Up Or No Lock-Up Off

1. Valve Body Assy (Lock-Up Relay Valve)

2. Valve Body Assy (Lock-Up Control Valve)

3. Valve Body Assy (Solenoid Relay Valve)

4. Valve Body Assy (Solenoid Modulator Valve)

5. Off-Vehicle Repair Matrix Chart

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Harsh Engagement (N --> D)

1. Valve Body Assy (C1 Accumulator)

2. Valve Body Assy (Accumulator Control Valve)

3. Off-Vehicle Repair Matrix Chart

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Harsh Engagement (N --> R)

1. C³ Accumulator

⁽¹⁾

2. Valve Body Assy (Accumulator Control Valve)

3. Valve Body Assy (Reverse Control Valve)

4. Off-Vehicle Repair Matrix Chart

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Harsh Engagement (Lock-Up)

1. Valve Body Assy (Lock-Up Relay Valve)

2.Valve Body Assy (Accumulator Control Valve)

3. Valve Body Assy (Lock-Up Control Valve)

4. Off-Vehicle Repair Matrix Chart

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Harsh Engagement (1st --> 2nd)

1. B₂ Accumulator

⁽¹⁾

2. Valve Body Assy (Accumulator Control Valve)

Harsh Engagement (2nd --> 3rd)

1. C₂ Accumulator

⁽¹⁾

2. Valve Body Assy (Accumulator Control Valve)

Harsh Engagement (3rd --> O/D)

1. Valve Body Assy (B₁ Accumulator)

2. Valve Body Assy (Accumulator Control Valve)

3. Valve Body Assy (3-4 Shift Timing Valve)

Harsh Engagement (O/D --> 3)

1. Valve Body Assy (3-4 Shift Timing Valve)

2 Valve Body Assy (4-3 Shift Timing Valve)

Harsh Engagement (D, 2, L Position)

Valve Body Assy (Coast Relay Valve)

Slip Or Shudder (Forward And Reverse)

1. Valve Body Assy (Oil Strainer)

2. Off-Vehicle Repair Matrix Chart

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No Engine Braking (1St: L Position)

1. Valve Body Assy (Reverse Control Valve)

2. Off-Vehicle Repair Matrix Chart

.....

No Engine Braking (2nd: 2 Position)

Valve Body Assy (3-4 Shift Valve)

No Kick-Down

1. Valve Body Assy (1-2 Shift Valve)

2. Valve Body Assy (2-3 Shift Valve)

3. Valve Body Assy (3-4 Shift Valve)

Poor Acceleration

Valve Body Assy (SLT Damper)

⁽¹⁾	See OVERHAUL - U340E & U341E article.