How To Proceed With Troubleshooting [11/2017 - ]: Procedure

Result

Result: 

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See step  2

1. Interview the customer and confirm the problem (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] ).

   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: 

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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 [11/2017 - ]  for DTC Check/Clear, and Refer to FREEZE FRAME DATA [11/2017 - ]  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 [11/2017 - ]  for DTC Check/Clear, and Refer to FREEZE FRAME DATA [11/2017 - ]  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 [11/2017 - ] for with Central Gateway ECU, Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] 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 [11/2017 - ] ).
      • 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 [11/2017 - ] for with Central Gateway ECU, Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] 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 [11/2017 - ] and Refer to DTC C1417: High Power Supply Voltage Malfunction [11/2017 - ] ).

   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: 

B 

See step  5

Result: 

C 

See step  6

Result: 

A 

See step  4

1. Proceed to Diagnostic Trouble Code Chart (Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2017 - ] ).

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Proceed to How to Proceed with Troubleshooting (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] ).

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  6

1. Proceed to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [11/2017 - ] ).

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

Result

Result: 

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See step  8

Result

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See step  9

Result

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See step  10

Result

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END