How To Proceed With Troubleshooting [09/2014 - 03/2019]: Procedure
- VEHICLE BROUGHT TO WORKSHOP
Result
Proceed to NEXT Result:
NEXT
See step 2
- CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
Result
Proceed to NEXT Result:
NEXT
See step 3
- INSPECT BATTERY VOLTAGE
- Measure the battery voltage.
Standard Voltage
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
Result
Proceed to NEXT
Result:
NEXT
See step 4
- Measure the battery voltage.
- INSPECT CAN COMMUNICATION SYSTEM
- Use the Techstream to check if the CAN communication system is functioning normally.
Refer to DIAGNOSIS SYSTEM [09/2014 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017] , or refer to DIAGNOSIS SYSTEM [11/2017 - 03/2019]
Result
Result Proceed to CAN communication system DTCs are not output A CAN communication system DTCs are output B
Result:
B
GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019]
Result:
A
See step 5
- Use the Techstream to check if the CAN communication system is functioning normally.
- CHECK FOR DTC*
- Check for DTCs.
Refer to DTC CHECK / CLEAR [09/2014 - 03/2019]
Body Electrical > HL AutoLeveling > Trouble Codes
Result
Result Proceed to DTCs are not output A DTCs are output B
Result:
B
GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 03/2019]
Result:
A
See step 6
- Check for DTCs.
- PROBLEM SYMPTOMS TABLE
- Refer to Problem Symptoms Table.
Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019]
Result
Result Proceed to Fault is not listed in Problem Symptoms Table A Fault is listed in Problem Symptoms Table B
Result:
B
GO TO PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 03/2019]
Result:
A
See step 7
- Refer to Problem Symptoms Table.
- OVERALL ANALYSIS AND TROUBLESHOOTING*
- Data List / Active Test
- Terminals of ECU
Refer to TERMINALS OF ECU [09/2014 - 03/2019]
- Inspection
Result
Proceed to NEXT
Result:
NEXT
See step 8
- ADJUST, REPAIR OR REPLACE
Result
Proceed to NEXT Result:
NEXT
See step 9
- CONFIRMATION TEST
Result
Proceed to NEXT Result:
NEXT
END