Honda Multi Matic Transmission/CVT

Symptom Troubleshooting Index (cont'd)

14-245  

Symptom Probable cause(s) Notes
Excessive shock when accelerating and decelerating (cont'd)
  1. Start clutch feed pipe damaged or out of round
  2. Low ATF level
  3. ATF deteriorated
  4. Valve body assembly defective
  5. CVT pulley pressure control valve assembly defective
  6. CVT speed change control valve assembly defective
  7. CVT start clutch pressure control valve assembly defective
  8. Manual valve body defective
  9. Manual valve lines worn or damaged
  10. PCM defective
  11. Start clutch control system memory in PCM defective
  12. Flywheel assembly defective
  • 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.
  • Check the indicator light indication and check for loose solenoid harness connector.
  • Calibrate start clutch control system.
No engine braking
  1. Intermediate housing assembly worn or damaged
  2. Pulley pressure feed pipe damaged or out of round
  3. Start clutch defective
  4. Start clutch feed pipe damaged or out of round
  5. Valve body assembly defective
  6. CVT pulley pressure control valve assembly defective
  7. CVT speed change control valve assembly defective
  8. CVT start clutch pressure control valve assembly defective
  9. Manual valve body defective
  10. Manual valve lines worn or damaged
  11. Solenoid valve defective
  12. Solenoid harness worn or damaged
  13. Drive and driven pulley speed sensors defective
  14. CVT speed sensor or vehicle speed sensor defective
  15. PCM defective
  16. Start clutch control system memory in PCM defective
  • Check the drive and driven pulley pressure and lubrication pressure. Measurement of the pressure is low or no pressure, check the ATF pump, chain and sprocket.
  • Check the indicator light indication and check for loose solenoid harness connector.
  • Calibrate start clutch control system.