Inspection Procedures
- Check the scan tool data of the output shaft speed sensor
- OK : Increases in proportion to vehicle speed.
Is the scan tool data normal?
Yes: Go to next step.
No: Check the output shaft speed sensor system
- Check the scan tool data of the throttle position sensor
- OK : Increases in proportion to accelerator pedal opening angle.
Is the scan tool data normal?
Yes: Go to next step.
No: Check the throttle position sensor system
- Check the scan tool data of the solenoid valve
- Low-reverse solenoid valve duty %
- Underdrive solenoid valve duty %
- Second solenoid valve duty %
- Overdrive solenoid valve duty %
- OK : Refer to the table below
Is the scan tool data of the solenoid valve normal?
Yes: Go to next step.
No: Go to step 6.
- Adjust the line pressure
Have the problem?
Yes: Go to next step.
- The valve body cleaning (Valve body disassembly, cleaning and reassembly)
- Pay particular attention to loosening of bolts, and to damage and slippage of O-rings, valves and valve bodies.
- If the damage cannot be repaired, replace the valve body assembly.
- Replace the solenoid valve
Have the problem?
Yes: Go to next step.
- Replace the PCM