Pattern Select Switch EV Mode Circuit [12/2022 - ]: Procedure

1. Check if a buzzer sounded and a message was displayed on the multi-information display when attempting to enter EV 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 mode entry conditions have not been met.

Result: 

B 

END 

Result: 

A 

See step  2

1. Enter the following menus: System Select / CAN Bus Check.

   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

2. Turn the ignition switch off.

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2022 - ] 

Result: 

A 

See step  3

1. Enter the following menus: System Select / Health Check.
2. Check for DTCs.

   Result

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

3. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART. Refer To  DIAGNOSTIC TROUBLE CODE CHART [12/2022 - ] 

Result: 

A 

See step  4

1. Read the values displayed on the GTS.

   Powertrain > Hybrid Control > Data List 

   Tester Display
   EV Mode
   EV Mode Switch

   Result

   Result	Proceed to
   The display changes according to the EV mode switch operation	A
   The display does not change according to the EV mode switch operation	B

2. Turn the ignition switch off.

Result: 

A 

GO TO PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2022 - ] 

Result: 

B 

See step  5

Refer to INSPECTION [12/2022 - 03/2023] , or refer to INSPECTION [03/2023 - ]

Result

Result: 

NG 

REPLACE COMBINATION SWITCH ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

Result: 

OK 

See step  6

1. Disconnect the EV mode switch (combination switch assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K22-7 (E) - Body ground	Always	Below 1 Ω

3. Reconnect the EV mode switch (combination switch assembly) connector.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  7

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   K11-33 (EVSW) - K22-4 (S)	Always	Below 1 Ω
   K11-33 (EVSW) or K22-4 (S) - Body ground	Always	10 kΩ or higher

4. Reconnect the EV mode switch (combination switch assembly) connector.
5. Reconnect the hybrid vehicle control ECU connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [12/2022 - 03/2023]  , or refer to  REMOVAL [03/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR