ECM Communication Stop Mode: Procedure

1. Check the ECM power source circuit (2GR-FSE: Refer to ECM Power Source Circuit , 4GR-FSE: Refer to ECM Power Source Circuit ).

   Result

   Result	Proceed to
   OK (4GR-FSE)	A
   OK (2GR-FSE)	B
   NG	C

B → See step   3 

C → REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) 

A → See step   2