How To Proceed With Troubleshooting [01/2017 - ]: Procedure

Result

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See step  2

Result

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See step  3

1. Measure the voltage of the auxiliary battery.

   Standard voltage

   11 to 14 V (Power switch off)

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

   Result

   Proceed to
   NEXT

Result: 

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See step  4

1. Check the ECUs connected to the CAN bus.

   Refer to DIAGNOSIS SYSTEM [01/2017 - 09/2018] , or refer to DIAGNOSIS SYSTEM [09/2018 - 06/2019] , or refer to DIAGNOSIS SYSTEM [06/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 11/2021] , or refer to DIAGNOSIS SYSTEM [11/2021 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 05/2023] , or refer to DIAGNOSIS SYSTEM [05/2023 - ]

   Result

   Result	Proceed to
   No malfunction appears	A
   Malfunction appears	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

Result: 

A 

See step  5

1. Check for and write down any DTCs and Freeze Frame Data.

   For DTC Check / Clear: Refer to DTC CHECK / CLEAR [01/2017 - ] 

   For Freeze Frame Data: Refer to FREEZE FRAME DATA [01/2017 - ] 

   Chassis > Air suspension > Trouble Codes 

2. Clear the DTCs and Freeze Frame Data.

   For DTC Check / Clear: Refer to DTC CHECK / CLEAR [01/2017 - ] 

   For Freeze Frame Data: Refer to FREEZE FRAME DATA [01/2017 - ] 

   Chassis > Air suspension > Clear DTCs 

3. Recheck for DTCs.

   Chassis > Air suspension > Trouble Codes 

   Result

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

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 04/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2020 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

Result: 

B 

See step  6

Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2017 - ] 

Result

Result: 

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See step  7

Result

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See step  8

Result

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END