Problem Symptoms Table
HINT:
- If a normal code is displayed during the diagnostic trouble code check although the trouble still occurs, check the electrical circuits for each symptom in the order given in the charts below and proceed to the "See page" below.
- The Matrix Chart is divided into 2 chapters.
- Refer to the table below when the trouble cause is considered to be electrical.
- If the instruction "Proceed to next circuit inspection shown on matrix chart" is given in the flowchart of each circuit, proceed to the circuit with the next highest number in the table to continue the check.
- If the trouble still occurs even though there are no abnormalities in any of the other circuits, check and replace the ECM.
- *1: When the circuit is defective, a DTC may be output.
- Chapter 1: Electronic Circuit Matrix Chart ELECTRONIC CIRCUIT MATRIX - PROBLEM SYMPTOMS CHART
- Chapter 2: On-Vehicle Repair and Off-Vehicle Repair ON-VEHICLE REPAIR AND OFF-VEHICLE REPAIR - PROBLEM SYMPTOMS CHART
Symptom Suspected Area See page Vehicle does not move in any forward position and reverse positions 1. Transmission control rod ADJUSTMENT 2. Manual valve AUTOMATIC TRANSMISSION UNIT 3. Parking lock pawl AUTOMATIC TRANSMISSION UNIT 4. Rear planetary gear unit AUTOMATIC TRANSMISSION UNIT 5. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Vehicle does not move in R position 1. Valve body assembly REMOVAL 2. Brake No.4 (B4) AUTOMATIC TRANSMISSION UNIT No up-shift (1st -> 2nd) 1. Valve body assembly REMOVAL 2. Brake No.3 (B3) AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 4. One-way clutch No.2 (F2) AUTOMATIC TRANSMISSION UNIT No up-shift (2nd -> 3rd) 1. Valve body assembly REMOVAL 2. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT No up-shift (3rd -> 4th) 1. Valve body assembly REMOVAL 2. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT No up-shift (4th -> 5th) 1. Valve body assembly REMOVAL 2. Brake No.1 (B1) AUTOMATIC TRANSMISSION UNIT No up-shift (5th -> 6th) 1. Valve body assembly REMOVAL 2. Brake No.2 (B2) AUTOMATIC TRANSMISSION UNIT No down-shift (6th -> 5th) Valve body assembly REMOVAL No down-shift (5th -> 4th) Valve body assembly REMOVAL No down-shift (4th -> 3rd) Valve body assembly REMOVAL No down-shift (3rd -> 2nd) Valve body assembly REMOVAL No down-shift (2nd -> 1st) Valve body assembly REMOVAL No lock-up or no lock-up off 1. Valve body assembly REMOVAL 2. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Harsh engagement (N -> D) 1. Valve body assembly REMOVAL 2. C1 accumulator AUTOMATIC TRANSMISSION UNIT 3. Clutch No. 1 (C1) AUTOMATIC TRANSMISSION UNIT 4. One-way clutch No.3 (F3) AUTOMATIC TRANSMISSION UNIT 5. One-way clutch No.4 (F4) AUTOMATIC TRANSMISSION UNIT Harsh engagement (Lock-up) 1. Valve body assembly REMOVAL 2. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Harsh engagement (N -> R) 1. Valve body assembly REMOVAL 2. C3 accumulator AUTOMATIC TRANSMISSION UNIT 3. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT 4. Brake No.4 (B4) AUTOMATIC TRANSMISSION UNIT 5. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th -> 6th) Valve body assembly REMOVAL Harsh engagement (1st -> 2nd) 1. Valve body assembly REMOVAL 2. B3 accumulator AUTOMATIC TRANSMISSION UNIT 3. Brake No.3 (B3) AUTOMATIC TRANSMISSION UNIT 4. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 5. One-way clutch No.2 (F2) AUTOMATIC TRANSMISSION UNIT Harsh engagement (2nd -> 3rd) 1. Valve body assembly REMOVAL 2. C3 accumulator AUTOMATIC TRANSMISSION UNIT 3. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT Harsh engagement (3rd -> 4th) 1. Valve body assembly REMOVAL 2. C2 accumulator AUTOMATIC TRANSMISSION UNIT 3. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT Harsh engagement (4th -> 5th) 1. Valve body assembly REMOVAL 2. B1 accumulator AUTOMATIC TRANSMISSION UNIT 3. Brake No.1 (B1) AUTOMATIC TRANSMISSION UNIT Harsh engagement (5th -> 6th) 1. Valve body assembly REMOVAL 2. B2 accumulator AUTOMATIC TRANSMISSION UNIT 3. Brake No.2 (B2) AUTOMATIC TRANSMISSION UNIT Harsh engagement (6th -> 5th) 1. Valve body assembly REMOVAL 2. C3 accumulator AUTOMATIC TRANSMISSION UNIT 3. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT Slip or shudder (Forward and reverse: After warm-up) 1. Valve body assembly REMOVAL 2. Oil strainer AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 4. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT 5. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Slip or shudder (Particular position: Just after engine starts) Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Slip or shudder (R position) 1. Brake No.4 (B4) AUTOMATIC TRANSMISSION UNIT 2. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 3. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT Slip or shudder (1st) 1. Clutch No.1 (C1) AUTOMATIC TRANSMISSION UNIT 2. One-way clutch No.3 (F3) AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.4 (F4) AUTOMATIC TRANSMISSION UNIT Slip or shudder (2nd) 1. Clutch No.1 (C1) AUTOMATIC TRANSMISSION UNIT 2. Brake No.3 (B3) AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 4. One-way clutch No.2 (F2) AUTOMATIC TRANSMISSION UNIT 5. One-way clutch No.4 (F4) AUTOMATIC TRANSMISSION UNIT Slip or shudder (3rd) 1. Clutch No.1 (C1) AUTOMATIC TRANSMISSION UNIT 2. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.1 (F1) AUTOMATIC TRANSMISSION UNIT 4. One-way clutch No.4 (F4) AUTOMATIC TRANSMISSION UNIT Slip or shudder (4th) 1. Clutch No.1 (C1) AUTOMATIC TRANSMISSION UNIT 2. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT 3. One-way clutch No.4 (F4) AUTOMATIC TRANSMISSION UNIT Slip or shudder (5th) 1. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT 2. Clutch No.3 (C3) AUTOMATIC TRANSMISSION UNIT 3. Brake No.1 (B1) AUTOMATIC TRANSMISSION UNIT Slip or shudder (6th) 1. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT 2. Brake No.2 (B2) AUTOMATIC TRANSMISSION UNIT No engine braking (1st +- 4th: S position) Clutch No.4 (C4) AUTOMATIC TRANSMISSION UNIT No engine braking (1st: 1 position) 1. Valve body assembly REMOVAL 2. Brake No.4 (B4) AUTOMATIC TRANSMISSION UNIT No engine braking (2nd: 2 position) 1. Valve body assembly REMOVAL 2. Brake No.2 (B2) AUTOMATIC TRANSMISSION UNIT No engine braking (3rd: 3 position) 1. Valve body assembly REMOVAL 2. Brake No.1 (B1) AUTOMATIC TRANSMISSION UNIT No engine braking (4th: 4 position) Valve body assembly REMOVAL No kick-down Valve body assembly REMOVAL Shift point too high or too low Valve body assembly REMOVAL Poor acceleration (All positions) 1. Valve body assembly REMOVAL 2. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE Poor acceleration (6th) 1. Brake No.2 (B2) AUTOMATIC TRANSMISSION UNIT 2. Clutch No.2 (C2) AUTOMATIC TRANSMISSION UNIT 3. Front planetary gear unit AUTOMATIC TRANSMISSION UNIT Engine stalls when starting off or stopping 1. Valve body assembly REMOVAL 2. Torque converter clutch TORQUE CONVERTER AND DRIVE PLATE
- Chapter 1: Electronic Circuit Matrix Chart