Power Supply Testing
POWER SUPPLY CIRCUIT FOR ECMEC-MAIN-01:
EC-MAIN-02:
Wiring Diagram
Step 1 - 3:
Step 4 - 6:
Step 7 - 10:
Step 11 - 13:
Step 14 - 18:
Diagnostic Procedure
Component Inspection
ECM RELAY
1. Apply 12 V direct current between ECM relay terminals 1 and 2.
2. Check continuity between relay terminals 3 and 5, 6 and 7.
3. If NG, replace ECM relay.