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)
Or, hide this message:
temporarily or
permanently
HVAC System Test - MTC
Test 1 - Test 4:
Test 5:
Test 6:
SYMPTOM HVAC SYSTEM TEST - MTC
POSSIBLE CAUSES -
Attempt to communicate with the PCM/ECM, the BCM, and the FCM
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Check for HVAC related DTCS in the PCM/ECM
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Check for BCM DTCS
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Check for FCM DTCS
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Check for active HVAC DTCS and system tests fault messages
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Check for HVAC related DTCS in the PCM/ECM
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Manual A/C system test
