Hybrid Vehicle Control ECU Communication Stop Mode [08/2020 - ]: Procedure

1. Disconnect the cable from the negative (-) auxiliary battery terminal.
2. Disconnect the G60 hybrid vehicle control ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G60-25 (CA1H) - G60-24 (CA1L)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω
   G60-31 (CA3P) - G60-30 (CA3N)	Cable disconnected from negative (-) auxiliary battery terminal	54 to 69 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Hybrid Vehicle Control ECU)

   Result

   Result
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (HYBRID VEHICLE CONTROL ECU) 

Result: 

OK 

See step  2

1. Check the ECU power source circuit.
   • for Nickel Metal Hydride Battery

     Refer to ECU Power Source Circuit [06/2018 - ]

   • for Lithium-ion Battery

     Refer to ECU Power Source Circuit [08/2020 - ]

   Result

   Result
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)