Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Judder When Starting Off




Judder when starting off

Diagnostic Procedure:

1. Start clutch defective

2. CVTF deteriorated or worn out

3. Valve body assembly defective

4. CVT start clutch pressure control valve defective

5. CVT input shaft (drive pulley) and output shaft (driven pulley) speed sensors defective

6. CVT speed sensor and CVT speed sensor (secondary) defective ('06 model)

7. CVT speed sensor defective ('07-09 models)

8. PCM defective

Also check for:

- Check for a stored DTC, and check for a loose solenoid harness connector.
- Check the CVTF level, and check the ATF cooler lines for leakage and loose connections. Clean the ATF cooler lines, and replace the CVTF.
- Check the start clutch with the HDS.