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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Symptom Table

Condition / Possible Clause:




Condition / Possible Cause:






CAUTION: There are conditions which air conditioner system dose not operate except trouble as follows.

1. The throttle is greater than 90%.
2. The ignition voltage is below 10.5 volts.
3. The engine speed greater than 4500 RPM for 5 seconds or 5400 RPM.
4. The engine coolant temperature (ECT) is greater than 125 °C (257 °F).
5. The intake air temperature (IAT) is less than 5 °C (41 °F).
6. The power steering pressure switch signals a high pressure condition.