Rear Shut Down Signal Circuit [10/2018 - ]: Procedure

1. Check that the service plug grip is not installed.
   NOTE:

   After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the service information because this may cause a malfunction.

2. Remove the PCU RR fuse from the No. 3 relay block.
3. Disconnect the inverter with converter assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	No. 3 Relay Block
   *2	PCU RR Fuse

4. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1	No. 3 Relay Block	*2	PCU RR Fuse
   *a	Front view of wire harness connector (to Inverter with converter assembly)	-	-

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   C41-18 (SDNR) - 2 (PCU RR fuse)	Power switch off	10 kΩ or higher
   C41-18 (SDNR) - Body ground	Power switch off	10 kΩ or higher

5. Connect the inverter with converter assembly connector.
6. Install the PCU RR fuse.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

See step  3

Result: 

OK 

See step  2

1. Check that the service plug grip is not installed.
   NOTE:

   After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the service information because this may cause a malfunction.

2. Disconnect the inverter with converter assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Inverter with converter assembly)

3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   C41-18 (SDNR) - C41-6 (+B)	Power switch off	5 MΩ or higher
   C41-18 (SDNR) - C41-5 (+B2)	Power switch off	5 MΩ or higher

4. Connect the inverter with converter assembly connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REAR SHUTDOWN SIGNAL CIRCUIT NORMAL (PERFORM NEXT STEP FOR REFERENCED DTC) 

Result: 

NG 

REPLACE INVERTER WITH CONVERTER ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

1. Check that the service plug grip is not installed.
   NOTE:

   After removing the service plug grip, do not turn the power switch on (READY), unless instructed by the service information because this may cause a malfunction.

2. Disconnect the inverter with converter assembly connector.
3. Disconnect the Hybrid Motor Control Inverter Assembly Rear connector.
4. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Inverter with Converter Assembly)
   *b	Front view of wire harness connector (to Hybrid Motor Control Inverter Assembly Rear)

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   C41-18 (SDNR) - N56-4 (SDNR)	Power switch off	Below 1 Ω
   N56-4 (SDNR) - N56-6 (+BR1)	Power switch off	10 kΩ or higher
   N56-4 (SDNR) - N56-13 (+BR2)	Power switch off	10 kΩ or higher
   C41-18 (SDNR) or N56-4 (SDNR) - Body ground	Power switch off	10 kΩ or higher

5. Connect the Hybrid Motor Control Inverter Assembly Rear connector.
6. Connect the inverter with converter assembly connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID MOTOR CONTROL INVERTER ASSEMBLY REAR. Refer to  REMOVAL [10/2018 - 07/2022]  Refer to  REMOVAL [07/2022 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR