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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Pinout Values and Diagnostic Parameters

B2-01 PCM (EM):






Terminal 1 To 18:






Terminal 19 To 30:






Terminal 31 To 43:






Terminal 44 To 57:






Terminal 58 To 70:






Terminal 71 To 85:






Terminal 86 To 97:






Terminal 98 To 104:






*1 : ATX only
*2 : Measure at AC range
*3 : The ECT when the engine is started should be lower than when the ignition switch was turned from on to off in the past by more that 50 °C (122 °F)