Component Tests and General Diagnostics
POWER SUPPLY CIRCUIT FOR ECMEC-MAIN-01:
EC-MAIN-02:
Wiring Diagram
Step 1 - 3:
Step 4 - 7:
Step 8 - 10:
Step 11 - 15:
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.
3. If NG, replace ECM relay.