Pattern Select Switch EV Mode Circuit [08/2013 - ]: Procedure

1. Check if a buzzer sounded and a message was displayed on the multi-information display when attempting to enter EV drive mode.

   Result

   Result	Proceed to
   No buzzer sounded and no message was displayed on multi-information display.	A
   A buzzer sounded and a message was displayed on multi-information display.	B

   HINT: 

   If a buzzer sounds and a message is displayed on the multi-information display, one or more of the EV drive mode entry conditions have not been met. Check that all of the EV drive mode entry conditions have been met before pressing the integration control and panel assembly (EV drive mode switch).

B → END 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: System Select / CAN Bus Check.

   Result

   Result	Proceed to
   All of the ECUs and sensors that are currently connected to the CAN communication system are displayed.	A
   None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed.	B

4. Turn the power switch off.

B → See step   10 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: System Select / Health Check.
4. Check DTCs.
   RESULT
   
   

   Result	Proceed to
   No DTCs are output.	A
   DTCs are output.	B

5. Turn the power switch off.

B → GO TO DTC CHART 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (READY).
3. Enter the following menus: Body Electrical / Combination Meter / Active Test / Indicat. EV Mode.
4. Perform the "Indicat. EV Mode" Active Test.

   OK

   The EV drive mode indicator light comes on or blinks.

5. Turn the power switch off.

NG → See step   11 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / Hybrid Control / Data List / EV request, EV Switch.
4. Read the value displayed on the Techstream.

   Tester Display	Measurement Item/Range	Normal Condition
   EV request	EV drive mode transition availability/ ON or OFF	In EV drive mode: ON
   EV Switch	Integration control and panel assembly condition/ ON or OFF	EV drive mode switch being pushed and held: ON

   Result

   Result	Proceed to
   The Techstream display changes according to the integration control and panel assembly operation.	A
   The Techstream display does not change according to the integration control and panel assembly operation.	B

5. Turn the power switch off.

B → See step   6 

A → See step   13 

1. Remove the integration control and panel assembly. Refer to COMPONENTS [08/2013 - ] .
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   1 - 5	EV drive mode switch being pushed and held	Below 1 Ω
   	EV drive mode switch not pushed	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Integration Control and Panel Assembly)

3. Install the integration control and panel assembly.

NG → See step   9 

OK: Go to next step 

1. Disconnect the H71 integration control and panel assembly connector.
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H71-5 (E) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to Integration Control and Panel Assembly)

3. Reconnect the H71 integration control and panel assembly connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the H1 power management control ECU connector.
2. Disconnect the H71 integration control and panel assembly connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H1-13 (EVSW) - H71-1 (S)	Always	Below 1 Ω
   H1-13 (EVSW) or H71-1 (S) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Power Management Control ECU)
   *b	Front view of wire harness connector (to Integration Control and Panel Assembly)

4. Reconnect the H71 integration control and panel assembly connector.
5. Reconnect the H1 power management control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   12