PROCEDURE
- CHECK ECM POWER SOURCE CIRCUIT Check the ECM power source circuit . Refer to «ECM Power Source Circuit»(ref-387085-S12260349832011022400000) . OK The ECM power source circuit is normal. HINT: If there is no abnormality in the ECM power source circuit, replace the ECM. NG --> REPAIR OR REPLACE ECM POWER SOURCE CIRCUIT OK --> REPLACE ECM