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)

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Shift Solenoid Operation Chart

Use the following shift solenoid operation information when performing Pinpoint Test A.





Solenoid Operation Chart
EC - Electronically Controlled.
HD - Hydraulically Disabled.

Shift Solenoid Failure Mode Chart "Always Off.








Failed off due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck off.

Shift Solenoid Failure Mode Chart "Always On"








Failed on due to powertrain control module and/or vehicle wiring concerns, shift solenoid electrically or hydraulically stuck on.