Honda Multi Matic Transmission/CVT

Symptom Troubleshooting Index (cont'd)

14-249  

Symptom Probable cause(s) Notes
Hunting engine speed (cont'd)
  1. Valve body assembly defective
  2. CVT pulley pressure control valve assembly defective
  3. CVT speed change control valve assembly defective
  4. CVT start clutch pressure control valve assembly defective
  5. Manual valve body defective
  6. Manual valve lines worn or damaged
  7. Solenoid valve defective
  8. PCM defective
  9. Transmission range switch defective
  10. Start clutch control system memory in PCM defective
  • Check the indicator light indication and check for loose transmission range switch connector.
  • Calibrate start clutch control system.
Excessive shock on starting off
  1. Forward clutch defective
  2. Reverse brake defective
  3. Reverse brake piston stuck, worn or damaged
  4. Start clutch defective
  5. Start clutch end plate clearance incorrect
  6. Start clutch feed pipe damaged or out of round
  7. Low ATF level
  8. ATF deteriorated
  9. Valve body assembly defective
  10. CVT pulley pressure control valve assembly defective
  11. CVT speed change control valve assembly defective
  12. CVT start clutch pressure control valve assembly defective
  13. Solenoid harness worn or damaged
  14. PCM defective
  15. Start clutch control system memory in PCM defective
  16. Engine out put low
  • Check the forward clutch pressure.
  • Check the indicator light indication and check for loose solenoid harness connector.
  • Inspect the clutch piston, clutch piston check valve and O-rings. Check the spring retainer for wear and damage. Inspect the clutch end-plate-to-top-disc clearance. If the clearance is out of tolerance, inspect the clutch discs and plates for wear and damage. If the discs and plates are worn or damaged, replace them as a set. If they are OK, adjust the clearance with the clutch end plate.
  • Check ATF level and check ATF cooler lines for leakage and loose connections. If necessary, flush ATF cooler lines.
  • Calibrate start clutch control system.