Pattern Select Switch EV Mode Circuit [11/2016 - ]: 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	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 EV drive mode switch (pattern select switch assembly).

Result: 

B 

END 

Result: 

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.

   CAN Bus Check 

   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.

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM.  Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2016 - ] .

Result: 

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 for DTCs.

   Result	Proceed to
   No DTCs are output.(for multi-information display (monochrome type))	A
   No DTCs are output.(for multi-information display (color type))	B
   DTCs are output.	C

5. Turn the power switch off.

Result: 

B 

See step  5

Result: 

C 

GO TO DTC CHART 

Result: 

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.

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   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.

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY.  Refer to COMPONENTS [02/2014 - ] .

Result: 

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.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   EV Request
   EV Switch

4. Read the value displayed on the Techstream.

   Powertrain > Hybrid Control > Data List 

   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	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 power switch off.

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS.  Refer to CHECK FOR INTERMITTENT PROBLEMS [02/2014 - ] .

Result: 

B 

Go to next step 

1. Remove the EV drive mode switch (pattern select switch assembly).

   Refer to REMOVAL [02/2014 - ] .

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

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   4 (S) - 1 (E)	EV drive mode switch (pattern select switch assembly) being pushed and held	Below 50 Ω
   	EV drive mode switch (pattern select switch assembly) not pushed	10 kΩ or higher

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

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE EV DRIVE MODE SWITCH (PATTERN SELECT SWITCH ASSEMBLY).  Refer to COMPONENTS [02/2014 - ] .

Result: 

OK 

Go to next step 

1. Disconnect the F43 EV drive mode switch (pattern select switch assembly) connector.
2. 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 EV Drive Mode Switch (Pattern select switch Assembly))

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F43-1 (E) - Body ground	Always	Below 1 Ω

3. Reconnect the F43 EV drive mode switch (pattern select switch assembly) connector.

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

Go to next step 

1. Disconnect the F137 hybrid vehicle control ECU assembly connector.
2. Disconnect the F43 EV drive mode switch (pattern select switch assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   F137-15 (EVSW) - F43-4 (S)	Always	Below 1 Ω
   F137-15 (EVSW) or F43-4 (S) - Body ground	Always	10 kΩ or higher

4. Reconnect the F43 EV drive mode switch (pattern select switch assembly) connector.
5. Reconnect the F137 hybrid vehicle control ECU assembly connector.

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY.  Refer to COMPONENTS [11/2016 - ] .

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR