How To Proceed With Troubleshooting [10/2023 - ]: Procedure

Result

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See step  2

Result

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See step  3

1. Measure the voltage of the battery.

   Standard Voltage

   11 to 14 V

2. While referring to the component layout drawings and wiring diagrams, etc., visually inspect for blown fuses, an open or short in a wire harness or improperly connected connectors.

   HINT: 

   If the voltage of the battery is less than 11 V, replace or recharge the battery before performing the diagnosis procedure.

   Result

   Proceed to
   NEXT

Result: 

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See step  4

1. Using the GTS, perform a CAN bus check and check for DTCs to confirm that the CAN communication system is not malfunctioning.

   Refer to DIAGNOSIS SYSTEM [10/2023 - ]

   CAN Bus Check 

   Result

   Result	Proceed to
   No abnormalities	A
   Abnormal	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

A 

See step  5

1. Check for and record any DTCs and freeze frame data.

   Refer to FREEZE FRAME DATA [10/2023 - ] 

   Chassis > DRS > Trouble Codes 

2. Clear the DTCs and freeze frame data.

   Chassis > DRS > Clear DTCs 

3. Based on the saved DTCs and freeze frame data, simulate the malfunction conditions and check if the DTCs are output again.

   Result

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

Result: 

B 

REFER TO "DIAGNOSTIC TROUBLE CODE CHART" AND PERFORM TROUBLESHOOTING, ADJUSTMENT AND/OR REPAIR (IN ACCORDANCE WITH EACH DTC). Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]  

Result: 

A 

See step  6

1. Using the GTS, check for vehicle control history (RoB).

   Chassis > DRS > Utility 

   Tester Display
   Vehicle Control History (RoB)

2. If vehicle control history (RoB) is output, record the vehicle control history (RoB) and freeze frame data.

   Result

   Result	Proceed to
   Vehicle control history (RoB) is not output but malfunction can be confirmed and reproduced	A
   Vehicle control history (RoB) is not output and malfunction cannot be confirmed and reproduced	B
   Vehicle control history (RoB) is output	C

Result: 

B 

GO TO SIMULATION TEST. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

C 

VEHICLE CONTROL HISTORY (RoB). Refer to  VEHICLE CONTROL HISTORY (RoB) [10/2023 - ] 

Result: 

A 

See step  7

Refer to PROBLEM SYMPTOMS TABLE [10/2023 - ] 

Result

Result: 

B 

See step  9

Result: 

A 

See step  8

1. Data List

   Refer to DATA LIST / ACTIVE TEST [10/2023 - ] 

2. Terminals of ECU

   Refer to TERMINALS OF ECU [10/2023 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

Result

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See step  10

HINT: 

DTCs may be stored by other systems when performing an inspection of the DRS system. Make sure to check for and clear any DTCs of other systems after performing an inspection of the DRS system.

Result

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See step  11

Result

Result: 

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END