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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Manual Transmission/Transaxle: Testing and Inspection

Back-Up Light and Neutral Position Switch Test





1. Disconnect the back-up light (A) or neutral position (B) switch 2P connector.
2. Check the continuity between the terminals (C). There should be continuity with the shift lever in reverse or neutral position.
3. If necessary, replace the switch.