How To Proceed With Troubleshooting [08/2016 - ]: Procedure

Result

Result:  1

NEXT 

See step  2

1. Interview the customer and confirm the problem.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  3

1. Check and record DTCs and Freeze Frame Data.

   for DTC Check / Clear: Refer to DTC CHECK / CLEAR [08/2015 - ]

   for Freeze Frame Data: Refer to FREEZE FRAME DATA [08/2016 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

2. Clear the DTCs and Freeze Frame Data.

   for DTC Check / Clear: Refer to DTC CHECK / CLEAR [08/2015 - ]

   for Freeze Frame Data: Refer to FREEZE FRAME DATA [08/2016 - ]

   Chassis > ABS/VSC/TRAC > Clear DTCs 

3. Reconfirm the DTCs.
   1. Reconfirm the DTCs based on the recorded DTCs and Freeze Frame Data.

      for DTC Check / Clear: Refer to DTC CHECK / CLEAR [08/2015 - ]

      for Freeze Frame Data: Refer to FREEZE FRAME DATA [08/2016 - ]

      Chassis > ABS/VSC/TRAC > Trouble Codes 

      HINT: 

      • When CAN communication system DTCs are output, repair the CAN communication system first.

        w/o Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]

        w/ Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ]

      • If DTC U0100, U0124 and/or U0126 are among the CAN communication DTCs that are output, first use the Data List to check for a momentary open circuit.

        Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2015 - ] 

      • If the Techstream cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system.

        w/o Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]

        w/ Central Gateway ECU: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ]

      • If there is no response from the skid control ECU (brake actuator assembly), inspect the IG1 circuit of the skid control ECU (brake actuator assembly).

        Refer to DTC C1241: Low Power Supply Voltage Malfunction [08/2015 - ]

   Result

   Result	Proceed to
   DTCs are output.	A
   DTCs are not output. (Problem symptom does not occur.)	B
   DTCs are not output. (Problem symptom occurs.)	C

Result:  2

B 

See step  5

Result:  3

C 

See step  6

Result:  1

A 

See step  4

1. Proceed to Diagnostic Trouble Code Chart.

   Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  7

1. Proceed to How to Proceed with Troubleshooting.

   Refer to CHECK FOR INTERMITTENT PROBLEMS [08/2015 - ] 

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  6

1. Proceed to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] 

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  7

Result

Result:  1

NEXT 

See step  8

Result

Result:  1

NEXT 

See step  9

Result

Result:  1

NEXT 

See step  10

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2015 - ]

   Chassis > ABS/VSC/TRAC > Clear DTCs 

2. Check if the same DTCs are output.

   Refer to DTC CHECK / CLEAR [08/2015 - ]

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   Result

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

Result:  2

B 

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2016 - ] 

Result:  1

A 

See step  11

Result

Result:  1

NEXT 

END