Battery ECU Communication Stop Mode [12/2022 - ]: Procedure

1. Check the battery ECU assembly power source circuit.
   • for M20A-FXS:

     Refer to ECU Power Source Circuit [12/2022 - ]

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE BATTERY ECU ASSEMBLY 

Refer to REMOVAL [12/2022 - ]

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)