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

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Component Tests and General Diagnostics

1. Disconnect 14-P connector from control unit.

Fig. 18 Speed Control Unit Connector Pin Location:




Fig. 22 Speed Control Unit Input Test Chart:





2. Perform tests at harness pin locations, Figs. 18 and 22.
3. Replace control unit if all input tests prove positive.