For 1990-2009 cars

#### On-Vehicle Repair Matrix

Symptom | Possible Cause
--- | ---
No Move or Slip In Drive |

• | Drive Plate Runout

• | PCS Circuit

• | TCM

• | Shift Cable or PNP Misadjustment

• | Lack of ATF, Burnt smell of ATF

• | Water Mix, Wrong ATF

• | Torque Converter

• | Valve Body

• | Transaxle Internal Parts

No Move or Slip In Reverse |

• | Drive Plate Runout

• | Timing Solenoid Circuit

• | PCS Circuit

• | TCM

• | Shift Cable or PNP Misadjustment

• | Lack of ATF, Burnt smell of ATF

• | Water Mix, Wrong ATF

• | Torque Converter

• | Valve Body

• | Transaxle Internal Parts

Slip On Acceleration |

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | Timing Solenoid Circuit

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Shift Cable or PNP Misadjustment

• | Lack of ATF, Burnt smell of ATF

• | Water Mix, Wrong ATF

• | Torque Converter

• | Valve Body

• | Transaxle Internal Parts

Time Lag Shifting from Neutral to Drive |

• | Input Speed Sensor

• | Timing Solenoid Circuit

• | PCS Circuit

• | TCM

• | Lack of ATF, Burnt smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Time Lag Shifting from Neutral to Reverse |

• | Input Speed Sensor

• | PCS Circuit

• | TCM

• | Lack of ATF, Burnt smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

No Engine Start |

• | PNP Switch

• | Shift Cable or PNP Misadjustment

Engine Stalls Shifting from Neutral to Drive or Neutral to Reverse |

• | Engine Malfunction

• | Timing Solenoid Circuit

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Shift Cable or PNP Misadjustment

• | Oil Cooler Pipe

• | Valve Body

• | Transaxle Internal Parts

Engine Stalls from Slow Down |

• | Engine Malfunction

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Shift Cable or PNP Misadjustment

• | Oil Cooler Pipe

• | Valve Body

• | Transaxle Internal Parts

Poor Acceleration |

• | Engine Malfunction

• | CAN Communication

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from 1st to 2nd Gear or 2nd to 1st Gear |

• | PNP Switch

• | Shift Solenoid No. 2 Circuit

• | TCM

• | Throttle Opening Signal

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from 2nd to 3rd Gear or 3rd to 2nd Gear |

• | PNP Switch

• | Shift Solenoid No. 1 Circuit

• | TCM

• | Throttle Opening Signal

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from 3rd to 4th Gear or 4th to 3rd Gear |

• | PNP Switch

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | TCM

• | Throttle Opening Signal

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from No Lock Up On or No Lock Up Off |

• | Lock Up Solenoid Circuit

• | Brake Switch

• | TCM

• | Throttle Opening Signal

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from 2nd Engine Braking |

• | Shift Solenoid No. 1 Circuit

• | TCM

• | Valve Body

• | Transaxle Internal Parts

No Up Shift or No Down Shift from 1st Engine Braking |

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | TCM

• | Valve Body

• | Transaxle Internal Parts

No Kick Down |

• | Output Speed Sensor

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | Timing Solenoid Circuit

• | PCS Circuit

• | TCM

• | Throttle Opening Signal

Erratic Shift |

• | Output Speed Sensor

• | PNP Switch

• | PCS Circuit

• | TCM

• | Throttle Opening Signal

• | Valve Body

Erratic Fuel Efficiency |

• | Engine Malfunction

• | PCS Circuit

• | Brake Switch

• | TCM

• | Throttle Opening Signal

• | Valve Body

• | Transaxle Internal Parts

No Mode Select |

• | Hold Mode Switch

• | TCM

Shift Lever Hard/Weak |

• | Shift Cable or PNP Misadjustment

• | Transaxle Internal Parts

Oil Leak from Breather |

• | Oil Cooler Pipe

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Transaxle Internal Parts

Oil Leak Between E/G and T/A Housing |

• | Oil Seal

• | O-Ring

• | Torque Converter

Oil Leak from Differential Oil Seal | Oil Seal
Oil Leak from Manual Shaft Oil Seal | Oil Seal
Oil Leak from T/A Housing, Oil Pan Rear Case, T/A Case | FIPG, Gasket
Oil Leak from O-Ring--Sensor, T/M Wire | O-Ring
Oil Leak from Oil Cooler Pipe | Oil Cooler Pipe Resonance
Harsh Shift From Neutral to Drive |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Drive Shaft

• | Suspension Malfunction

• | Input Speed Sensor

• | PNP Switch

• | TFT Sensor

• | Timing Solenoid Circuit

• | PCS Circuit

• | TCM

• | Engine Water Temperature Signal

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Harsh Shift From Neutral to Reverse |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Suspension Malfunction

• | Input Speed Sensor

• | PNP Switch

• | TFT Sensor

• | Timing Solenoid Circuit

• | PCS Circuit

• | TCM

• | Engine Water Temperature Signal

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Harsh Shift During Shift Up |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Drive Shaft

• | Suspension Malfunction

• | Input Speed Sensor

• | TFT Sensor

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | Timing Solenoid Circuit

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Engine Water Temperature Signal

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Harsh Shift During Coast Down |

• | E/G and A/T Mounting

• | Drive Shaft

• | Suspension Malfunction

• | Input Speed Sensor

• | TFT Sensor

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | Timing Solenoid Circuit

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Engine Water Temperature Signal

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Harsh Shift During Kick Down |

• | E/G and A/T Mounting

• | Drive Shaft

• | Suspension Malfunction

• | Input Speed Sensor

• | TFT Sensor

• | Shift Solenoid No. 1 Circuit

• | Shift Solenoid No. 2 Circuit

• | Timing Solenoid Circuit

• | Lock Up Solenoid Circuit

• | PCS Circuit

• | TCM

• | Engine Torque Signal

• | Engine Water Temperature Signal

• | Lack of ATF, Burnt Smell of ATF

• | Water Mix, Wrong ATF

• | Valve Body

• | Transaxle Internal Parts

Harsh Shift During Acceleration On, Off--No Up, Down Shift |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Drive Shaft

• | Suspension Malfunction

Vibration While Idling |

• | Engine Malfunction

• | Drive Plate Runout

• | E/G and A/T Mounting

• | Exhaust Pipe Resonance

• | Drive Shaft

• | Interference with Drive Train and Body

• | Suspension Malfunction

Vibration While Driving |

• | Engine Malfunction

• | Drive Plate Runout

• | E/G and A/T Mounting

• | Exhaust Pipe Resonance

• | Drive Shaft

• | Tire Unbalance

• | Interference with Drive Train and Body

• | Suspension Malfunction

• | Lack of ATF, Burnt Smell of ATF

• | Transaxle Internal Parts

Noise While Idling |

• | Engine Malfunction

• | Oil Cooler Pipe Mis-installed, Damaged

• | Lack of ATF, Burnt Smell of ATF

Noise During Garage Shift |

• | E/G and A/T Mounting

• | Drive Shaft

Noise While Driving |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Exhaust Pipe Resonance

• | Drive Shaft

• | Tire Unbalance

• | Interference with Drive Train and Body

• | Suspension Malfunction

Noise During Up Shift or Down Shift |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Exhaust Pipe Resonance

• | Tire Unbalance

• | Interference with Drive Train and Body

• | Suspension Malfunction

Noise While Acceleration On or Off |

• | Engine Malfunction

• | E/G and A/T Mounting

• | Exhaust Pipe Resonance

• | Tire Unbalance

• | Interference with Drive Train and Body

• | Suspension Malfunction