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

Engine Control Module

Connectors (California Spec.):




Part 1 Of 2 (California Spec.):




Part 2 Of 2 (California Spec.):




*1: Only for A/T
*2: Only for 3RZ-FE
*3: The ECM terminal voltage is fixed regardless of the output voltage from the sensor.

Connectors (Except California Spec.):




Part 1 Of 2 (Except California Spec.):




Part 2 Of 2 (Except California Spec.):




*:Only for A/T