How To Proceed With Troubleshooting [08/2021 - 09/2022]: Procedure

Result

Result: 

NEXT 

See step  2

Result

Result: 

NEXT 

See step  3

1. Measure the auxiliary battery voltage with the power 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

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

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

   Refer to DIAGNOSIS SYSTEM [08/2021 - 09/2022]

   Result

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

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

A 

See step  5

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

   Result

   Result	Proceed to
   DTCs are not output (w/ Panoramic View Monitor System)	A
   DTCs are not output (w/o Panoramic View Monitor System)	B
   DTCs are output	C

Result: 

B 

See step  7

Result: 

C 

GO TO BLIND SPOT MONITOR SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

A 

See step  6

1. Check for DTCs.

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

   Result

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

Result: 

B 

GO TO PANORAMIC VIEW MONITOR SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - 09/2022] 

Result: 

A 

See step  7

Result

Result: 

NEXT 

See step  8

1. Check for DTCs and note any codes that are output.

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

2. Clear the DTCs.

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

3. Check for DTCs.

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are output	A
   DTCs are not output (Problem symptoms does not exist)	B
   DTCs are not output (Problem symptoms exist)	C

Result: 

B 

See step  10

Result: 

C 

See step  11

Result: 

A 

See step  9

1. Refer to Diagnostic Trouble Code Chart.

   Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2018 - 09/2022] 

   NOTE:

   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	Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2020 - 09/2022]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  13

1. Refer to Symptom Simulation.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [08/2021 - 09/2022] 

   Result

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

Result: 

B 

See step  13

Result: 

A 

See step  12

1. Operation Check

   Refer to OPERATION CHECK [06/2018 - 09/2022] 

2. Terminals of ECU

   Refer to TERMINALS OF ECU [08/2021 - 09/2022] 

3. Data List / Active Test

   Refer to DATA LIST / ACTIVE TEST [06/2018 - 09/2022] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  13

Result

Result: 

NEXT 

See step  14

Result

Result: 

NEXT 

See step  15

Result

Result: 

NEXT 

See step  16

Result

Result: 

NEXT 

END