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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Problem Symptom Table








NOTE: Across each row in the chart, the systems that could be sources of a symptom are ranked in the order they should be inspected starting with "1". Find the symptom in the left column, read across to the most likely source, then refer to that component listed at the top of that column. If inspection shows the system is OK, try the next most likely system "2", etc..

/ * / If codes other then those listed are indicated, count the number of blinks again. If the Malfunction Indicator Lamp (MIL) is in fact blinking these codes, substitute a known-good Engine Control Module (ECM) and recheck. If the indication goes away, replace the original ECM.

/BU/ If the MIL is on while the Engine is running, jump the Service Check Connector. If no code is displayed (MIL stays on steady), the back-up system is in operation. Substitute a known-good ECM and recheck. If the indication goes away, replace the original ECM.

** U.S.A: Malfunction Indicator Lamp.
Canada: Check Engine Light.

*** Except F22A1 Engine (S).
**** H22A1 Engine (USA: Si VTEC/Canada:SR-V)