NO.7 NO SHIFTING [JA5A-EL]


BME050301030243

7

No shifting

DESCRIPTION

• Single shift range only.
• Sometimes it shifts correctly.

POSSIBLE CAUSE

• When the gear position is fixed in 4GR due to the fail-safe operation, the malfunction is in the ATX.
• Perform malfunction diagnosis according to No.6 "LOW MAXIMUM SPEED AND POOR ACCELERATION".
1. Clutch burnt
• Line pressure low
• Incorrect throttle position signal
• VSS malfunction
• Input/turbine speed sensor malfunction
• Sensor GND malfunction
• Shift solenoid A, B or C malfunction
• Control valve body malfunction
2. 4GR is fixed (Operation in fail-safe function)
• Short or open circuit in wiring harness
• Poor connection of connector
• Poor GND of shift solenoid
• Malfunction of electrical parts of output and input system
Note
• Before following the troubleshooting steps, make sure that the Automatic Transaxle On-Board Diagnostic and Automatic Transaxle Basic Inspection are conducted.