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
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Pinout Values and Diagnostic Parameters







Terminal No: 1 - 4:






Terminal No: 5 - 18:






Terminal No: 19 - 26:






Terminal No: 27 - 34:






Terminal No: 35 - 43:






Terminal No: 44 - 53:






Terminal No: 54 - 62:






Terminal No: 63 - 72:






Terminal No: 73 - 83:






Terminal No: 84 - 91:






Terminal No: 92 - 98:






Terminal No: 99 - 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 than 50 °C{122 °F).