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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Troubleshooting Hints - Compressor Controls

NOTE: If ECM trouble codes are set, refer to Computers and Control Systems.

1. Check the HTR A/C Fuse and ENG/A/C Fuse by visual inspection.
2. Check that the A/C Compressor Clutch connector is firmly seated.
3. Check that grounds G105 and G112 are clean and tight.