Timer Charging Switch Circuit [09/2016 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Powertrain / Plug-in Control / Data List / Timer Charging Switch Status.

   Powertrain > Plug-in Control > Data List 

   Tester Display
   Timer Charging Switch Status

5. Read the value displayed on the Techstream.

   Powertrain > Plug-in Control > Data List 

   Tester Display	Measurement Item	Range	Normal Condition
   Timer Charging Switch Status	Charging timer switch status	ON or OFF	Charging timer switch (fuel control switch) being pushed and held: ON Charging timer switch (fuel control switch) not operated: OFF

6. Turn the power switch off.

   Result

   Result	Proceed to
   The display changes according to the charging timer switch (fuel control switch) operation	A
   The display does not change according to the charging timer switch (fuel control switch) operation	B

Result: 

A 

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (PLUG-IN CHARGE CONTROL SYSTEM). Refer to  PROBLEM SYMPTOMS TABLE [09/2016 - ] 

Result: 

B 

See step  2

1. Remove the charging timer switch (fuel control switch).

   Refer to REMOVAL [09/2016 - ]

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   6 (SW+) - 3 (E)	Charging timer switch (fuel control switch) being pushed and held	Below 50 Ω
   	Charging timer switch (fuel control switch) not operated	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Component without harness connected (Charging Timer Switch (Fuel Control Switch))

3. Install the charging timer switch (fuel control switch).

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE FUEL CONTROL SWITCH. Refer to  REMOVAL [09/2016 - ] 

Result: 

OK 

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. Remove the EV charger duct. (for Type A)

   Refer to PROCEDURE - Step 21 [09/2016 - 05/2019] , or refer to PROCEDURE - Step 28 [05/2019 - 07/2020] , or refer to PROCEDURE - Step 28 [07/2020 - ]

3. Disconnect the N74 electric vehicle charger assembly connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

4. Disconnect the I44 charging timer switch (fuel control switch) connector.
5. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   N74-9 (PTMS) - I44-6 (SW+)	Power switch off	Below 1 Ω
   N74-9 (PTMS) or I44-6 (SW+) - Body ground and other terminals	Power switch off	10 kΩ or higher

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Electric Vehicle Charger Assembly)
   *b	Front view of wire harness connector (to Charging Timer Switch (Fuel Control Switch))

6. Reconnect the I44 charging timer switch (fuel control switch) connector.
7. Reconnect the N74 electric vehicle charger assembly connector.
8. Install the EV charger duct. (for Type A)

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  4

1. Disconnect the I44 charging timer switch (fuel control switch) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I44-3 (E) - Body ground	Always	Below 1 Ω

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Charging Timer Switch (Fuel Control Switch))

3. Reconnect the I44 charging timer switch (fuel control switch) connector.

   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 

REPAIR OR REPLACE HARNESS OR CONNECTOR