RM38N0EC _56 Audio / Visual / Telematics _111825 PARK ASSIST / MONITORING _0501857 PARKING SUPPORT BRAKE SYSTEM Y

PARK ASSIST / MONITORING  PARKING SUPPORT BRAKE SYSTEM  HOW TO PROCEED WITH TROUBLESHOOTING  


CAUTION / NOTICE / HINT

HINT:
·

Use the following procedure to troubleshoot the parking support brake system.

·

*: Use the GTS.



PROCEDURE

1.VEHICLE BROUGHT TO WORKSHOP
Result:
Proceed to
NEXT



NEXT

2.CUSTOMER PROBLEM ANALYSIS
2.CUSTOMER PROBLEM ANALYSIS
Result:
Proceed to
NEXT



NEXT

3.INSPECT AUXILIARY BATTERY VOLTAGE
3.INSPECT AUXILIARY BATTERY VOLTAGE
a.

Measure the auxiliary battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V*1

10.5 to 16 V*2


*1: w/o Stop and Start System

*2: w/ Stop and Start System


If the voltage is below 11 V, replace or recharge the auxiliary battery before proceeding to the next step.


Result:
Proceed to
NEXT



NEXT

4.CHECK CAN COMMUNICATION SYSTEM*
4.CHECK CAN COMMUNICATION SYSTEM*
a.

Use the GTS to check if the CAN communication system is functioning normally.

for HV Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>DIAGNOSIS SYSTEM

for Gasoline Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>DIAGNOSIS SYSTEM


Result:
Result Proceed to
CAN communication system DTCs are not output A
CAN communication system DTCs are output (for HV Model) B
CAN communication system DTCs are output (for Gasoline Model) C




A

5.CHECK MODEL

B

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING


C

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING


5.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
w/ Blind Spot Monitor System A
w/o Blind Spot Monitor System B




A

6.CHECK BLIND SPOT MONITOR SYSTEM*

B

7.PROBLEM SYMPTOM CONFIRMATION
6.CHECK BLIND SPOT MONITOR SYSTEM*
a.

Use the GTS to check if the blind spot monitor system is functioning normally.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>DTC CHECK / CLEAR


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



A

7.PROBLEM SYMPTOM CONFIRMATION

B

GO TO BLIND SPOT MONITOR SENSOR

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>BLIND SPOT MONITOR SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


7.PROBLEM SYMPTOM CONFIRMATION
Result:
Proceed to
NEXT



NEXT

8.CHECK DTC*
8.CHECK DTC*
a.

Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes
50001 438
Result:
Result Proceed to
DTCs are output A
DTCs are not output B




A

9.DIAGNOSTIC TROUBLE CODE CHART (PARKING SUPPORT BRAKE SYSTEM)

B

10.CHECK FOR VEHICLE CONTROL HISTORY*
9.DIAGNOSTIC TROUBLE CODE CHART (PARKING SUPPORT BRAKE SYSTEM)
a.

Refer to Diagnostic Trouble Code Chart.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING SUPPORT BRAKE SYSTEM>DIAGNOSTIC TROUBLE CODE CHART

NOTICE:

The clearance warning ECU assembly outputs DTCs for the following system. When DTCs other than those in Diagnostic Trouble Code Chart for the parking support brake system are output, refer to Diagnostic Trouble Code Chart for the relevant systems.

System Proceed to
Toyota Parking Assist-sensor System (Click here)



Result:
Proceed to
NEXT



NEXT

14.CIRCUIT INSPECTION
10.CHECK FOR VEHICLE CONTROL HISTORY*
HINT:

Refer to Vehicle Control History.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>VEHICLE CONTROL HISTORY


a.

Check for vehicle control history and note any codes that are output.

Body Electrical > Clearance Warning > Utility
Tester Display
Vehicle Control History (RoB)
50005 438 64

Result:
Result Proceed to
No vehicle control history is output (Problem symptom does not occur) A
No vehicle control history is output (Problem symptom occurs) B
X20C0 or X20C1 is output C
Any vehicle control history other than X20C0 and X20C1 is output D



A

11.SYMPTOM SIMULATION

B

12.PROBLEM SYMPTOMS TABLE

C

GO TO CALIBRATION

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING SUPPORT BRAKE SYSTEM>CALIBRATION


D

GO TO VEHICLE CONTROL HISTORY

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>VEHICLE CONTROL HISTORY


11.SYMPTOM SIMULATION
a.

Refer to Symptom Simulation.

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


Result:
Proceed to
NEXT



NEXT

12.PROBLEM SYMPTOMS TABLE
12.PROBLEM SYMPTOMS TABLE
a.

Refer to Problem Symptoms Table.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING SUPPORT BRAKE SYSTEM>PROBLEM SYMPTOMS TABLE

Result:
Result Proceed to
Fault is not listed in Problem Symptoms Table A
Fault is listed in Problem Symptoms Table B




A

13.OVERALL ANALYSIS AND TROUBLESHOOTING

B

14.CIRCUIT INSPECTION
14.CIRCUIT INSPECTION
Result:
Proceed to
NEXT



NEXT

15.IDENTIFICATION OF PROBLEM
15.IDENTIFICATION OF PROBLEM
Result:
Proceed to
NEXT



NEXT

16.REPAIR OR REPLACE
16.REPAIR OR REPLACE
Result:
Proceed to
NEXT



NEXT

17.CONFIRMATION TEST
17.CONFIRMATION TEST
Result:
Proceed to
NEXT



NEXT

END