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

Measure the battery voltage.

Standard voltage:

11 to 14 V

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

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

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM>DIAGNOSIS SYSTEM201902,201906,_57,_078518,_0381088,RM100000001G6R5,201906,202005,_57,_078518,_0381088,RM100000001IUWS,202005,202107,_57,_078518,_0381088,RM100000001M0XB,202107,202208,_57,_078518,_0381088,RM100000001X4LL,202208,202310,_57,_078518,_0381088,RM10000000257V5,202310,999999,_57,_078518,_0381088,RM100000002G45R,

Result:

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

Check for DTCs.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DTC CHECK / CLEAR201902,999999,_56,_079315,_0385761,RM100000001GNVO,

Body Electrical > Clearance Sonar > Trouble Codes

50001 170

Clear the DTCs.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DTC CHECK / CLEAR201902,999999,_56,_079315,_0385761,RM100000001GNVO,

Body Electrical > Clearance Sonar > Clear DTCs

50002 170

Recheck for DTCs.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DTC CHECK / CLEAR201902,999999,_56,_079315,_0385761,RM100000001GNVO,

Body Electrical > Clearance Sonar > Trouble Codes

50001 170

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

Refer to Diagnostic Trouble Code Chart.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DIAGNOSTIC TROUBLE CODE CHART201902,999999,_56,_079315,_0385761,RM100000001GNVQ,

Refer to Symptom Simulation.

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING201902,999999,_V1,_078841,_0386803,RM100000001GTWY,

Refer to Problem Symptoms Table.

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>PROBLEM SYMPTOMS TABLE201902,201906,_56,_079315,_0385761,RM100000001GNVL,201906,999999,_56,_079315,_0385761,RM100000001J4XL,

Result:

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

Terminals of ECU

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>TERMINALS OF ECU201902,999999,_56,_079315,_0385761,RM100000001GNVM,

Data List / Active Test

Click hereAudio / Visual / Telematics>PARK ASSIST / MONITORING>TOYOTA PARKING ASSIST-SENSOR SYSTEM>DATA LIST / ACTIVE TEST201902,999999,_56,_079315,_0385761,RM100000001GNVP,