Toyota Venza manuals

Toyota Venza: 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


NEXT

2.

CUSTOMER PROBLEM ANALYSIS


NEXT

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.


NEXT

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


B

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


A

5.

PROBLEM SYMPTOM CONFIRMATION


NEXT

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


B

GO TO STEP 8


C

GO TO STEP 9


A

7.

DIAGNOSTIC TROUBLE CODE CHART

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



NEXT

GO TO STEP 11

8.

SYMPTOM SIMULATION

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


NEXT

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


B

GO TO STEP 11


A

10.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Operation Check (See page )


(b) Terminals of ECU (See page )


(c) Data List / Active Test (See page )



NEXT

11.

CIRCUIT INSPECTION*


NEXT

12.

IDENTIFICATION OF PROBLEM


NEXT

13.

REPAIR OR REPLACE


NEXT

14.

CONFIRMATION TEST*


NEXT

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:

Replacement
REPLACEMENT PROCEDURE 1. REPLACE INTAKE VALVE GUIDE BUSH (a) Heat the cylinder head to approximately 80 to 100°C (176 to 212°F). (b) Place the cylinder head on wooden blocks. (c) Using SST and a hammer, tap out the valve guide bush. SST: 0 ...

Motor Circuit Malfunction (C1521,C1531-C1534,C1554)
DESCRIPTION If the power steering ECU detects these DTCs, it will shut off the motor relay circuit (built into the power steering ECU) and stop power assist. However, power assist continues if DTC C1533 or C1534 is stored. DTC No. D ...

Front Left Sensor Malfunction (C1AE1)
DESCRIPTION The No. 1 ultrasonic sensor (front left sensor) is installed on the front bumper. The ECU detects obstacles based on signals received from the No. 1 ultrasonic sensor (front left sensor). If the No. 1 ultrasonic sensor (front left sensor) has ...

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