PARK ASSIST / MONITORING TOYOTA PARKING ASSIST-SENSOR 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 AUXILIARY 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 auxiliary 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 HEV Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>DIAGNOSIS SYSTEM202307,999999,_57,_104409,_0606038,RM100000002C0LE,

for Gasoline Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>DIAGNOSIS SYSTEM202307,999999,_57,_104409,_0605911,RM100000002C081,

Result:

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

A

5.PROBLEM SYMPTOM CONFIRMATION

B

GO TO CAN COMMUNICATION SYSTEM

for HEV Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,999999,_57,_104409,_0606038,RM100000002C0LC,

for Gasoline Model:

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING202307,202405,_57,_104409,_0605911,RM100000002C07Y,202405,999999,_57,_104409,_0605911,RM100000002NU3H,

5.PROBLEM SYMPTOM CONFIRMATION

Result:

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6.CHECK DTC*

a.

Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes: 50001 438

b.

Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs: 50002 438

c.

Recheck for DTCs.

Body Electrical > Clearance Warning > Trouble Codes: 50001 438

Result:

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

A

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

B

8.CHECK FOR VEHICLE CONTROL HISTORY*

7.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>DIAGNOSTIC TROUBLE CODE CHART202307,999999,_56,_111969,_0514279,RM100000002BV2R,

Result:

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8.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 (RoB)202307,202405,_56,_111969,_0514279,RM100000002BV2S,202405,999999,_56,_111969,_0514279,RM100000002NRAD,

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, X20C1, X20C2 or X20C3 is output	C
Any vehicle control history other than X20C0, X20C1, X20C2 or X20C3 is output	D

A

9.SYMPTOM SIMULATION

B

10.PROBLEM SYMPTOMS TABLE

C

GO TO CALIBRATION

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>CALIBRATION202201,999999,_56,_111969,_0514279,RM1000000020R85,

D

GO TO VEHICLE CONTROL HISTORY

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>VEHICLE CONTROL HISTORY (RoB)202307,202405,_56,_111969,_0514279,RM100000002BV2S,202405,999999,_56,_111969,_0514279,RM100000002NRAD,

9.SYMPTOM SIMULATION

a.

Refer to Symptom Simulation.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING202201,999999,_V1,_107171,_0496334,RM100000001YK2G,

Result:

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10.PROBLEM SYMPTOMS TABLE

a.

Refer to Problem Symptoms Table.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>PROBLEM SYMPTOMS TABLE202307,999999,_56,_111969,_0514279,RM100000002BV2Q,

Result:

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

A

11.OVERALL ANALYSIS AND TROUBLESHOOTING*

B

12.CIRCUIT INSPECTION

11.OVERALL ANALYSIS AND TROUBLESHOOTING*

a.

Terminals of ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>TERMINALS OF ECU202307,202405,_56,_111969,_0514279,RM100000002CO5I,202405,999999,_56,_111969,_0514279,RM100000002NZ8J,

b.

Data List / Active Test

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DATA LIST / ACTIVE TEST202201,202405,_56,_111969,_0514279,RM1000000020R8W,202405,999999,_56,_111969,_0514279,RM100000002NZ8N,

Result:

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12.CIRCUIT INSPECTION

Result:

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13.IDENTIFICATION OF PROBLEM

Result:

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14.REPAIR OR REPLACE

Result:

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15.CONFIRMATION TEST

Result:

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PARK ASSIST / MONITORING TOYOTA PARKING ASSIST-SENSOR SYSTEM HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

PROCEDURE