How To Proceed With Troubleshooting [02/2017 - 08/2020]: Procedure

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VEHICLE BROUGHT TO WORKSHOP
Result

Proceed to

NEXT

Result:

NEXT

See step 2

INSPECT BATTERY VOLTAGE

Measure the battery voltage.

Standard voltage

11 to 14 V

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

Result

Proceed to
NEXT

Result:

See step 3

CHECK CAN COMMUNICATION SYSTEM*

Use the Techstream to check if the CAN communication system is functioning normally.

Refer to DIAGNOSIS SYSTEM [02/2017 - 10/2017] , or refer to DIAGNOSIS SYSTEM [10/2017 - 05/2018] , or refer to DIAGNOSIS SYSTEM [05/2018 - 09/2019] , or refer to DIAGNOSIS SYSTEM [09/2019 - 08/2020]

CAN communication system is functioning normally.

Result

Proceed to
OK
NG

Result:

GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2017 - 05/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2018 - 09/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2019 - 08/2020]

Result:

See step 4

CHECK FOR DTCs

Check for DTCs and note any codes that are output.
Refer to DTC CHECK / CLEAR [02/2017 - 08/2020]

Chassis > LKA/LDA > Trouble Codes
Clear the DTCs.
Refer to DTC CHECK / CLEAR [02/2017 - 08/2020]

Chassis > LKA/LDA > Clear DTCs

Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

Refer to DTC CHECK / CLEAR [02/2017 - 08/2020]

Chassis > LKA/LDA > Trouble Codes

Result

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

Result:

GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [02/2017 - 08/2020]

Result:

See step 5

PROBLEM SYMPTOMS TABLE

HINT:

Refer to Problem Symptoms Table.

Refer to PROBLEM SYMPTOMS TABLE [02/2017 - 09/2019] , or refer to PROBLEM SYMPTOMS TABLE [09/2019 - 08/2020]

Result

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

Result:

See step 8

Result:

See step 6

OVERALL ANALYSIS AND TROUBLESHOOTING*

Terminals of ECU
Refer to TERMINALS OF ECU [02/2017 - 08/2020]

Data List / Active Test

Refer to DATA LIST / ACTIVE TEST [02/2017 - 08/2020]

Result

Proceed to
NEXT

Result:

See step 7

ADJUST, REPAIR OR REPLACE
NOTE:
- When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the radar sensor beam axis must be performed.
  Refer to ADJUSTMENT [02/2017 - 08/2020]
- When the forward recognition camera is replaced with a new one, adjustment of the forward recognition camera optical axis must be performed.
  Refer to ADJUSTMENT (SEQUENTIAL RECOGNITION) [02/2017 - 08/2020]
Result

Proceed to

NEXT

Result:

NEXT

See step 8
CONFIRMATION TEST
Result

Proceed to

NEXT

Result:

NEXT

END