Pattern Select Switch EV/HV Mode Circuit [12/2023 - ]: Procedure

1. Check if a buzzer sounded and a message was displayed on the multi-information display when operating the HV EV HOLD CHG switch.

   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, the EV mode entry conditions have not been met.

Result: 

B 

END 

Result: 

A 

See step  2

1. Check the 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 [12/2023 - ] 

Result: 

A 

See step  3

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

   Result

   Result	Proceed to
   No DTCs output	A
   DTCs output	B

3. Turn the ignition switch off.

Result: 

B 

GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2023 - ] 

Result: 

A 

See step  4

1. Read the value displayed on the GTS.

   Powertrain > Hybrid Control > Data List 

   Tester Display	Measurement Item	Range	Normal Condition
   HV/EV Mode Switch	HV EV CHG HOLD mode switch condition	ON or OFF	HV EV CHG HOLD mode switch not operated: OFF HV EV CHG HOLD mode switch being pushed and held: ON

   Powertrain > Hybrid Control > Data List 

   Tester Display
   HV/EV Mode Switch

   Result

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

2. Turn the ignition switch off.

Result: 

A 

CHECK FOR INTERMITTENT PROBLEMS. Refer to  CHECK FOR INTERMITTENT PROBLEMS [12/2023 - ] 

Result: 

B 

See step  5

Refer to INSPECTION [12/2023 - ]

Result

Result: 

NG 

REPLACE HV EV CHG HOLD MODE SWITCH (ELECTRIC PARKING BRAKE SWITCH ASSEMBLY). Refer to  REMOVAL [09/2023 - ] 

Result: 

OK 

See step  6

1. Disconnect the HV EV CHG HOLD mode switch (electric parking brake switch assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D22-7 (E) - Body ground	Always	Below 1 Ω

3. Reconnect the HV EV CHG HOLD mode switch (electric parking brake 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 assembly connector.
2. Disconnect the HV EV CHG HOLD mode switch (electric parking brake switch assembly) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   D117-33 (EVHV) - D22-6 (ECU)	Always	Below 1 Ω
   D117-33 (EVHV) or D22-6 (ECU) - Body ground	Always	10 kΩ or higher

4. Reconnect the HV EV CHG HOLD mode switch (electric parking brake switch assembly) connector.
5. Reconnect the hybrid vehicle control ECU assembly connector.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [12/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR