PARK ASSIST / MONITORING TOYOTA PARKING ASSIST-SENSOR SYSTEM(w/ Parking Support Brake System) HOW TO PROCEED WITH TROUBLESHOOTING

1.VEHICLE BROUGHT TO WORKSHOP

Result:

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2.CUSTOMER PROBLEM ANALYSIS

Result:

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3.INSPECT BATTERY VOLTAGE

a.

Measure the auxiliary battery voltage with the ignition switch off.

Standard Voltage:: 11 to 14 V

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

Result:

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4.CHECK CAN COMMUNICATION SYSTEM*

a.

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

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (except NR Series))>DIAGNOSIS SYSTEM202304,999999,_57,_080743,_0598531,RM100000002BFVC,

except Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>DIAGNOSIS SYSTEM202307,999999,_57,_080743,_0392424,RM100000002CP2C,

Result:

Result	Proceed to
CAN communication system DTCs are not output	A
CAN communication system DTCs are output	B

A

5.SYSTEM CHECK

B

GO TO CAN COMMUNICATION SYSTEM

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model (except NR Series))>HOW TO PROCEED WITH TROUBLESHOOTING202304,999999,_57,_080743,_0598531,RM100000002BFV9,

except Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HV Model)>HOW TO PROCEED WITH TROUBLESHOOTING202304,999999,_57,_080743,_0392424,RM100000002BB1R,

5.SYSTEM CHECK

a.

Check the vehicle specifications.

Result:

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6.PROBLEM SYMPTOM CONFIRMATION

Result:

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7.CHECK DTC

a.

Check for DTCs and note any codes that are output.

Body Electrical > Clearance Warning > Trouble Codes: 50001 438

b.

Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs: 50002 438

c.

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

8.DIAGNOSTIC TROUBLE CODE CHART (TOYOTA PARKING ASSIST-SENSOR SYSTEM)

B

9.CHECK FOR VEHICLE CONTROL HISTORY*

8.DIAGNOSTIC TROUBLE CODE CHART (TOYOTA PARKING ASSIST-SENSOR SYSTEM)

a.

Refer to Diagnostic Trouble Code Chart.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>DIAGNOSTIC TROUBLE CODE CHART202307,999999,_56,_080754,_0470653,RM100000002CLTE,

NOTICE:

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

System	Proceed to
Parking Support Brake System	(202307,999999,_56,_080754,_0470654,RM100000002CLTL,)

Result:

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9.CHECK FOR VEHICLE CONTROL HISTORY*

HINT:: Refer to Vehicle Control History.; Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>VEHICLE CONTROL HISTORY202307,999999,_56,_080754,_0470653,RM100000002CLTD,

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

10.SYMPTOM SIMULATION

B

11.PROBLEM SYMPTOMS TABLE

C

GO TO CALIBRATION

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>PARKING SUPPORT BRAKE SYSTEM>CALIBRATION202304,999999,_56,_080754,_0470654,RM100000002AHFT,

D

GO TO VEHICLE CONTROL HISTORY

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>VEHICLE CONTROL HISTORY202307,999999,_56,_080754,_0470653,RM100000002CLTD,

10.SYMPTOM SIMULATION

a.

Refer to Symptom Simulation.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201906,999999,_V1,_080724,_0393250,RM100000001HWSQ,

Result:

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11.PROBLEM SYMPTOMS TABLE

a.

Refer to Problem Symptoms Table.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>PROBLEM SYMPTOMS TABLE202307,999999,_56,_080754,_0470653,RM100000002CLTC,

Result:

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

A

12.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

13.CIRCUIT INSPECTION

12.OVERALL ANALYSIS AND TROUBLESHOOTING*

a.

Terminals of ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>TERMINALS OF ECU202304,999999,_56,_080754,_0470653,RM100000002AHBC,

b.

Data List / Active Test

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/ Parking Support Brake System)>DATA LIST / ACTIVE TEST202304,999999,_56,_080754,_0470653,RM100000002AHBD,

Result:

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13.CIRCUIT INSPECTION

Result:

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14.IDENTIFICATION OF PROBLEM

Result:

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15.REPAIR OR REPLACE

Result:

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16.CONFIRMATION TEST

Result:

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PARK ASSIST / MONITORING TOYOTA PARKING ASSIST-SENSOR SYSTEM(w/ Parking Support Brake System) HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE