Component Tests and General Diagnostics

POWER SUPPLY CIRCUIT FOR ECM

EC-MAIN-01:

ECM Terminals And Reference Value:

Wiring Diagram

Step 1:

Step 2 - 5:

Step 6 - 9:

Diagnostic Procedure Step 10 - 14:

Diagnostic Procedure

Component Inspection







ECM RELAY
1. Apply 12V direct current between ECM relay terminals 1 and 2.
2. Check continuity between ECM relay terminals 3 and 5, 6 and 7.