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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Switch Monitor Function, Inspection Procedure

Fig. 4 Switch Inputs To Control Unit:





WARNING: Do not start engine.

1. Start engine and allow to reach operating temperature, then turn engine off.
2. Connect system checker to green, 6 pin check connector and negative battery terminal.
3. Connect jumper wire between green, 1 pin test connector and ground.
4. Turn ignition switch to On position, then check that monitor lamp illuminates, Fig. 4, when each switch is made to function according to ``Testing Procedures.'' If even one of the switches is activated, the monitor lamp will stay on.