How To Proceed With Troubleshooting [09/2015 - ]: Procedure

VEHICLE BROUGHT TO WORKSHOP
Result

Proceed to

NEXT

Result: 1

NEXT

See step 2
INSPECT BATTERY VOLTAGE
Standard Voltage

11 to 14 V

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

Result

Proceed to

NEXT

Result: 1

NEXT

See step 3

CHECK FOR DTC (ELECTRIC POWER CONTROL SYSTEM)*

Using the Techstream, check if the electric power control system is functioning normally.

Result

Result	Proceed to
DTC B22B3 is not output	A
DTC B22B3 is output	B

Result: 2

GO TO ELECTRIC POWER CONTROL SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ]

Result: 1

See step 4

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result

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

Result: 2

GO TO CAN COMMUNICATION SYSTEM. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ]

Result: 1

See step 5

CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM*

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

Result

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

Result: 2

GO TO LIN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ]

Result: 1

See step 6

CHECK FOR DTC*

Check for DTC.
Refer to DTC CHECK / CLEAR [09/2015 - ]
Clear the DTC.
Refer to DTC CHECK / CLEAR [09/2015 - ]

Recheck for DTC.

Refer to DTC CHECK / CLEAR [09/2015 - ]

Result

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

Result: 2

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ]

Result: 1

See step 7

PROBLEM SYMPTOMS TABLE

Refer to the problem symptoms table.

Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ]

Result

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

Result: 2

See step 9

Result: 1

See step 8

OVERALL ANALYSIS AND TROUBLESHOOTING*

Operation Check.
Refer to OPERATION CHECK [09/2015 - ]
Terminals of ECU.
Refer to TERMINALS OF ECU [09/2015 - ]

Data List / Active Test.

Refer to DATA LIST / ACTIVE TEST [09/2015 - ]

Result

Proceed to
NEXT

Result: 1

See step 9

ADJUST, REPAIR OR REPLACE
NOTE:
- If the driving support ECU has been replaced, turn the engine switch off → on (IG) for 10 seconds → off to perform the initialization.
- When the front millimeter wave radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed.
  Refer to INSTALLATION [09/2015 - ]
Result

Proceed to

NEXT

Result: 1

NEXT

See step 10
CONFIRMATION TEST
Result

Proceed to

NEXT

Result: 1

NEXT

END