Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Park Assist / Monitoring / Intuitive Parking Assist System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the intuitive parking assist system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

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

4.	CHECK CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally (See page ).

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

GO TO CAN COMMUNICATION SYSTEM (w/ Central Gateway ECU)

5.	PROBLEM SYMPTOM CONFIRMATION

6.	CHECK DTC*

(a) Check for DTCs (See page ).

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

GO TO STEP 8

GO TO STEP 9

7.	DIAGNOSTIC TROUBLE CODE CHART

(a) Refer to Diagnostic Trouble Code Chart (See page ).

GO TO STEP 11

8.	SYMPTOM SIMULATION

(a) Refer to Symptom Simulation (See page
).

9.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page ).

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

GO TO STEP 11

10.	OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page )

(b) Terminals of ECU (See page )

11.	CIRCUIT INSPECTION*

12.	IDENTIFICATION OF PROBLEM

13.	REPAIR OR REPLACE

14.	CONFIRMATION TEST*

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Driver Side Junction Block Assembly) Clearan ...

Customize Parameters

CUSTOMIZE PARAMETERS PROCEDURE 1. CUSTOMIZE INTUITIVE PARKING ASSIST SYSTEM (a) Customizing with the Techstream NOTICE: When the customer requests a change in a function, first make sure ...

Other materials about Toyota Venza:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the windshield deicer system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT NOTICE: When disassembling the multiplex network door ECU, eliminate static electricity by touching the vehicle body to prevent the components from being damaged. PROCEDURE 1. REMOVE MULTIPLEX NETWORK DOOR ECU ...