How To Proceed With Troubleshooting [08/2016 - ]: 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 [08/2016 - 12/2017] , or refer to DIAGNOSIS SYSTEM [12/2017 - 08/2018] , or refer to DIAGNOSIS SYSTEM [08/2018 - 08/2019] , or refer to DIAGNOSIS SYSTEM [08/2019 - ]

   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 [10/2015 - 08/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

Result: 

A 

See step  5

Result

Result: 

NEXT 

See step  6

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ] 

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

   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

Result: 

B 

See step  8

Result: 

C 

See step  9

Result: 

A 

See step  7

1. Refer to Diagnostic Trouble Code Chart.

   Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ] 

   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
   Intelligent Clearance Sonar System	Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2016 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

1. Refer to Symptom Simulation.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 12/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 03/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2018 - 08/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 07/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  9

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [08/2016 - 08/2019] , or refer to PROBLEM SYMPTOMS TABLE [08/2019 - ] 

   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  11

Result: 

A 

See step  10

1. Operation Check

   Refer to OPERATION CHECK [08/2016 - 03/2018] , or refer to OPERATION CHECK [03/2018 - 08/2019] , or refer to OPERATION CHECK [08/2019 - ] 

2. Terminals of ECU

   Refer to TERMINALS OF ECU [08/2016 - 08/2019] , or refer to TERMINALS OF ECU [08/2019 - ] 

3. Data List / Active Test

   Refer to DATA LIST / ACTIVE TEST [08/2016 - 08/2019] , or refer to DATA LIST / ACTIVE TEST [08/2019 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  11

Result

Result: 

NEXT 

See step  12

Result

Result: 

NEXT 

See step  13

Result

Result: 

NEXT 

See step  14

Result

Result: 

NEXT 

END