No.6 Low Maximum Speed And Poor Acceleration: Notes
LOW MAXIMUM SPEED AND POOR ACCELERATION - DESCRIPTION AND POSSIBLE CAUSES
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Low maximum speed and poor acceleration |
| DESCRIPTION |
- Vehicle acceleration is poor at start.
- Delayed acceleration when accelerator pedal is depressed while driving.
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| POSSIBLE CAUSE |
- If clutch is stuck or does not stay in 4GR, there is a malfunction in engine circuit.
- Clutch slipped, burned
- Line pressure low
- Incorrect throttle position signal
- Malfunction of VSS
- Malfunction of input/turbine speed sensor
- Malfunction of sensor ground
- Malfunction of shift solenoids A, B, or C
- Malfunction of body ground
- Malfunction of control valve body
- Transaxle fixed in 4GR (Operation of fail-safe function)
- Short or open circuit in wiring
- Poor connection of connector
- Electronic parts of output and input system malfunction are malfunctioning
- Insufficient starting torque (Suspected when in-gear condition, shift control and engine circuit are normal)
- Malfunction of torque converter (Poor operation, sticking)
- Engagement of TCC operation range (Operation of fail-safe function)
- Malfunction of TFT sensor (Short or open circuit)
NOTE:
- Before following troubleshooting steps, make sure that Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.
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