Operation CHARM: Car repair manuals for everyone.
Home >> Toyota >> 2000 >> MR2 L4-1.8L (1ZZ-FE) >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Steering and Suspension >> Relays and Modules - Steering >> Steering Control Module >> Testing and Inspection >> Component Tests and General Diagnostics >> ECM Communication Circuit Malfunction
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

ECM Communication Circuit Malfunction

CIRCUIT DESCRIPTION
When the reduction of the engine load is necessary, ECM inputs the power steering stop signal to the ECU.




WIRING DIAGRAM

Step 1:




INSPECTION PROCEDURE
pro multis · About Operation CHARM