How To Proceed With Troubleshooting [07/2015 - ]: Procedure

Result

Result:  1

NEXT 

See step  2

1. Interview the customer and confirm the problem. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

   HINT: 

   Interview the customer to confirm the following:

   • History of brake fluid replacement.
   • Whether the engine was stopped intentionally when driving.
   • Whether the brake and accelerator pedals were depressed simultaneously.

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  3

1. Check and record DTCs and Freeze Frame Data.
2. Clear the DTCs and Freeze Frame Data. Refer to DTC CHECK / CLEAR [07/2015 - ]  for DTC Check/Clear, Refer to FREEZE FRAME DATA [07/2015 - ]  for Freeze Frame Data
3. Recheck for DTCs.
   1. Recheck for DTCs based on the recorded DTCs and Freeze Frame Data. Refer to DTC CHECK / CLEAR [07/2015 - ]  for DTC Check/Clear, Refer to FREEZE FRAME DATA [07/2015 - ]  for Freeze Frame Data

      HINT: 

      • When DTCs indicating CAN communication system malfunctions are output, repair the CAN communication system first. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ] for with Central Gateway ECU, Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ] for without Central Gateway ECU
      • If 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 [07/2015 - ] 
      • If the Techstream cannot communicate with the skid control ECU (brake actuator assembly), inspect the CAN communication system. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ] for with Central Gateway ECU, Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ] for without Central Gateway ECU
      • 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 [07/2015 - ] Refer to DTC C1417: High Power Supply Voltage Malfunction [07/2015 - ]

   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 [07/2015 - ] 

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  7

1. Proceed to How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2015 - ]

   Result

   Proceed to
   NEXT

Result:  1

NEXT 

See step  6

1. Proceed to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE [07/2015 - ] 

   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

Result

Result:  1

NEXT 

END