How To Proceed With Troubleshooting [12/2019 - 11/2023]: Procedure

Result

Result: 

NEXT 

See step  2

1. Interview the customer to confirm the problem.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Measure the auxiliary battery voltage with the ignition switch off.*1
2. Measure the auxiliary battery voltage.*2
   1. *1: for HV Model
   2. *2: for Gasoline Model

   Standard Voltage

   11 to 14 V

   If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.

3. Check the fuses and relays.
4. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Using the GTS, check for CAN communication system DTCs.

   For HV Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2021] , or refer to DIAGNOSIS SYSTEM [10/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023]

   For Gasoline Model: Refer to DIAGNOSIS SYSTEM [12/2019 - 09/2020] , or refer to DIAGNOSIS SYSTEM [09/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023]

   Result

   Result	Proceed to
   CAN DTCs are not output	A
   CAN DTCs are output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

For HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023]

For Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023]

Result: 

A 

See step  5

1. Using the GTS, check for LIN communication system DTC.

   Refer to DTC CHECK / CLEAR [12/2019 - 11/2023]

   Result

   Result	Proceed to
   DTC B14B5 is not output	A
   DTC B14B5 is output	B

Result: 

B 

GO TO SEAT HEATER SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2019 - 11/2023] 

Result: 

A 

See step  6

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 11/2023] 

   Result

   Result	Proceed to
   Fault is not listed in Problem Symptoms Table	A
   Fault is listed in Problem Symptoms Table	B

Result: 

B 

See step  8

Result: 

A 

See step  7

1. Terminals of ECU

   Refer to TERMINALS OF ECU [12/2019 - 11/2023] 

2. On-vehicle Inspection

   Refer to ON-VEHICLE INSPECTION [12/2019 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  8

Result

Result: 

NEXT 

See step  9

Result

Result: 

NEXT 

END