RM35X0E _54 Brake _078667 BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS _0383093 ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/o VSC OFF Switch) Y

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS  ELECTRONICALLY CONTROLLED BRAKE SYSTEM(w/o VSC OFF Switch)  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:

*: Use the GTS.


PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
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NEXT

2.CUSTOMER PROBLEM ANALYSIS
2.CUSTOMER PROBLEM ANALYSIS
a.

Interview the customer and confirm the problem.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


Result:
Proceed to
NEXT



NEXT

3.CHECK DTC AND FREEZE FRAME DATA*
3.CHECK DTC AND FREEZE FRAME DATA*
a.

Check and record DTCs and Freeze Frame Data.

for DTC Check / Clear: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DTC CHECK / CLEAR

for Freeze Frame Data: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>FREEZE FRAME DATA

Chassis > Brake > Trouble Codes
50001 435

b.

Clear the DTCs and Freeze Frame Data.

for DTC Check / Clear: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DTC CHECK / CLEAR

for Freeze Frame Data: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>FREEZE FRAME DATA

Chassis > Brake > Clear DTCs
50002 435

c.

Reconfirm the DTCs.

i.

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

for DTC Check / Clear: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DTC CHECK / CLEAR

for Freeze Frame Data: Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>FREEZE FRAME DATA

Chassis > Brake > Trouble Codes
50001 435
HINT:
·

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

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING

·

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

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING

·

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

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>TERMINALS OF ECU





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



A

4.PROBLEM SYMPTOMS TABLE

B

10.REPAIR CIRCUIT INDICATED BY OUTPUT DTC*

C

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


4.PROBLEM SYMPTOMS TABLE
a.

Check if the problem symptoms are listed in the problem symptoms table.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>PROBLEM SYMPTOMS TABLE


Result:
Result Proceed to
The problem symptoms are not listed in the problem symptoms table. A
The problem symptoms are listed in the problem symptoms table. B



A

5.PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*

B

9.REPAIR PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*
6.REPAIR OR REPLACEMENT
CAUTION:

Refer to the precautions before performing adjustment, repair or replacement.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>PRECAUTION


Result:
Proceed to
NEXT



NEXT

7.RECONFIRM DTC*
7.RECONFIRM DTC*
a.

Clear the DTCs.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DTC CHECK / CLEAR

Chassis > Brake > Clear DTCs
50002 435

b.

Turn the ignition switch off.


c.

Turn the ignition switch to ON.


d.

Check if the same DTCs are output.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DTC CHECK / CLEAR

Chassis > Brake > Trouble Codes
50001 435

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



A

8.CONFIRMATION TEST*

B

REPAIR CIRCUITS INDICATED BY OUTPUT DTCS

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DIAGNOSTIC TROUBLE CODE CHART


8.CONFIRMATION TEST*
Result:
Proceed to
NEXT



NEXT

END

9.REPAIR PERFORM TROUBLESHOOTING BASED ON PROBLEM SYMPTOM*
a.

Confirm the problem symptoms table and perform troubleshooting.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>PROBLEM SYMPTOMS TABLE


Result:
Proceed to
NEXT



NEXT

7.RECONFIRM DTC*
10.REPAIR CIRCUIT INDICATED BY OUTPUT DTC*
a.

Confirm the diagnostic trouble code chart and perform troubleshooting.

Click hereBrake>BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS>ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o VSC OFF Switch)>DIAGNOSTIC TROUBLE CODE CHART


Result:
Proceed to
NEXT



NEXT

7.RECONFIRM DTC*