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)

Or, hide this message: temporarily or permanently

Control Module Connector View

ECM HARNESS CONNECTOR TERMINAL LAYOUT:






ECM INSPECTION TABLE (Terminal No 1 - 3):




ECM INSPECTION TABLE (Terminal No 4 - 19):




ECM INSPECTION TABLE (Terminal No 20 - 36):




ECM INSPECTION TABLE (Terminal No 37 - 45):




ECM INSPECTION TABLE (Terminal No 47 - 55):




ECM INSPECTION TABLE (Terminal No 56 - 101):




ECM INSPECTION TABLE (Terminal No 102 - 120):




ECM INSPECTION TABLE (Terminal No 122 - 124):




*: Any mode except "OFF", ambient air temperature is above 23.5 °C (74 °F).
**: Except for California
***: For California

Specification data are reference values and are measured between each terminal and 32 (ECM ground).