AC Line Insulation Malfunction [09/2016 - ]: Procedure

1. Perform plug-in charging using the electric vehicle charger cable assembly that the customer used.
2. Check the condition of the power and error warning indicators on the electric vehicle charger cable assembly.

   HINT: 

   For details on the status of the power and error warning indicators, refer to Charge Cable On-vehicle Inspection.

   Refer to ON-VEHICLE INSPECTION [09/2016 - ]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Power Indicator
   *b	Charge Status Indicator
   *c	Error Warning Indicator

   Result

   Power Indicator	Error Warning Indicator	Plug-in Charge Status	Proceed to
   Illuminated	Flashes (3 times)	Not charging	A
   Illuminated	Off	Charging	B
   Other		-	C

Result: 

B 

COMPLETED (EXPLAIN TO CUSTOMER THAT OPERATION IS NORMAL) 

Result: 

C 

GO TO ELECTRIC VEHICLE CHARGER CABLE ASSEMBLY INSPECTION. Refer to  ON-VEHICLE INSPECTION [09/2016 - ] 

Result: 

A 

See step  2

1. Perform plug-in charging using a known good electric vehicle charger cable assembly that the customer used.
2. Check the condition of the power and error warning indicators on the electric vehicle charger cable assembly.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Power Indicator
   *b	Charge Status Indicator
   *c	Error Warning Indicator

   Result

   Power Indicator	Error Warning Indicator	Plug-in Charge Status	Proceed to
   Illuminated	Flashes (3 times)	Not charging	A
   Illuminated	Off	Charging	B

Result: 

B 

REPLACE ELECTRIC VEHICLE CHARGER CABLE ASSEMBLY 

Result: 

A 

See step  3

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. Check that the electric vehicle charger cable assembly is not connected.
3. Remove the rear under side cover RH.

   Refer to PROCEDURE - Step 40 [09/2016 - 05/2019] , or refer to PROCEDURE - Step 38 [05/2019 - 07/2020] , or refer to PROCEDURE - Step 41 [07/2020 - ]

4. Disconnect the U6 electric vehicle charger assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

5. Using a megohmmeter set to 500 V, measure the resistance according to the value(s) in the table below.
   NOTE:

   Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500 V can result in damage to the component being inspected.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   U6-1 (ACIH) - Body ground	Power switch off	10 MΩ or higher
   U6-2 (ACIC) - Body ground	Power switch off	10 MΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	HV Battery Charger Wire (Electric Vehicle Charger Assembly Side)

6. Reconnect the U6 electric vehicle charger assembly connector.
7. Install the rear under side cover RH.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ELECTRIC VEHICLE CHARGER ASSEMBLY. Refer to  REMOVAL [09/2016 - 05/2019]  , or refer to  REMOVAL [05/2019 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

See step  4

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 Uh1 inlet AC charger cable connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

3. Using a megohmmeter set to 500 V, measure the resistance according to the value(s) in the table below.
   NOTE:

   Be sure to set the megohmmeter to 500 V when performing this test. Using a setting higher than 500V can result in damage to the component being inspected.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Uh1-2 (ACIH) - Body ground	Power switch off	10 MΩ or higher
   Uh1-1 (ACIC) - Body ground	Power switch off	10 MΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Inlet AC Charger Cable (HV Battery Charger Wire Side)

4. Reconnect the Uh1 inlet AC charger cable connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HV BATTERY CHARGER WIRE. Refer to  REMOVAL [09/2016 - 05/2019]  , or refer to  REMOVAL [05/2019 - 07/2020]  , or refer to  REMOVAL [07/2020 - ] 

Result: 

NG 

REPLACE INLET AC CHARGER CABLE. Refer to  REMOVAL [09/2016 - 05/2019]  , or refer to  REMOVAL [05/2019 - 07/2020]  , or refer to  REMOVAL [07/2020 - ]