Pattern Select Switch EV Mode Circuit [12/2014 - ]: 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 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 EV drive mode switch (pattern select switch assembly).

B → COMPLETED 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to 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 ignition switch off.

B → See step   10 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to 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 ignition switch off.

B → GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE TABLE [12/2014 - ]  . 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to 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 mode indicator light comes on or blinks.

5. Turn the ignition switch off.

NG → See step   11 

OK: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to 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	EV drive mode switch (pattern select switch assembly) condition/ ON or OFF	EV drive mode switch (pattern select switch assembly) being pushed and held: ON

   Result

   Result	Proceed to
   The Techstream display changes according to the EV drive mode switch (pattern select switch assembly) operation.	A
   The Techstream display does not change according to the EV drive mode switch (pattern select switch assembly) operation.	B

5. Turn the ignition switch off.

B → See step   6 

A → See step   13 

1. Remove the EV drive mode switch (pattern select switch assembly). Refer to COMPONENTS [12/2014 - ] .
2. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   Standard Resistance

   Tester Connection	Switch Condition	Specified Condition
   G63-4 (S) - G63-1 (E)	EV drive mode switch (pattern select switch assembly) being pushed and held	Below 1 Ω
   	EV drive mode switch (pattern select switch assembly) not pushed	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (EV Drive Mode Switch (Pattern Select Switch Assembly))

3. Install the EV drive mode switch (pattern select switch assembly).

NG → See step   9 

OK: Go to next step 

1. Disconnect connector G63 from the EV drive mode switch (pattern select switch assembly).
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
   G63-1 (E) - Body ground	Always	Below 1 Ω

   TEXT IN ILLUSTRATION
   
   

   *a	Front view of wire harness connector (to EV Drive Mode Switch (Pattern Select Switch Assembly))

3. Connect the EV drive mode switch (pattern select switch assembly) connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect connector G58 from the hybrid vehicle control ECU.
2. Disconnect connector G63 from the EV drive mode switch (pattern select switch assembly).
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
   G58-15 (EVSW) - G63-4 (S)	Always	Below 1 Ω
   G58-15 (EVSW) or G63-4 (S) - Body ground	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *a	Rear view of wire harness connector (to Hybrid Vehicle Control ECU)
   *b	Front view of wire harness connector (to EV Drive Mode Switch (Pattern Select Switch Assembly))

4. Connect the EV drive mode switch (pattern select switch assembly) connector.
5. Connect the hybrid vehicle control ECU connector.

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK → See step   12