Toyota Venza: How To Proceed With Troubleshooting

Toyota Venza Service Manual / Door Lock / Key Reminder Warning System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the key reminder warning system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

HINT:

In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
The following 5 items are important points in the problem analysis:

What	Vehicle model, system name
When	Date, time, occurrence frequency
Where	Road conditions
Under what conditions?	Driving conditions, weather conditions
How did it happen?	Problem symptoms

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.	INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Using the Techstream, inspect the CAN communication function to ensure that there are no malfunctions in the communication system.

Result	Proceed to
DTC is not output.	A
DTC is output.	B

GO TO CAN COMMUNICATION SYSTEM

5.	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 7

6.	OVERALL ANALYSIS AND TROUBLESHOOTING*

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

(b) Terminals of ECU (See page )

7.	REPAIR OR REPLACE

8.	CONFIRMATION TEST

END

System Description

SYSTEM DESCRIPTION 1. KEY REMINDER WARNING SYSTEM DESCRIPTION (a) When the driver side door is opened with the key in ACC or LOCK, this system causes a buzzer to sound in order to warn the driver ...

Operation Check

OPERATION CHECK 1. CHECK FUNCTION (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and then make sure tha ...

Other materials about Toyota Venza:

Radio Antenna
Components COMPONENTS ILLUSTRATION ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL RADIO ANTENNA ASSEMBLY (a) Engage the 2 claws to install the radio antenna assembly. (b) Place the antenna cord in the cutout of the ante ...

Door Side Airbag Sensor RH Malfunction (B1690/15)
DESCRIPTION The side collision sensor RH circuit (to determine deployment of the front seat side airbag assembly RH and curtain shield airbag assembly RH) is composed of the center airbag sensor assembly, rear airbag sensor RH and side airbag sensor RH. ...

Engine Coolant Temperature Circuit Malfunction (P0115,P0117,P0118)
DESCRIPTION A thermistor, whose resistance value varies according to the engine coolant temperature, is built into the engine coolant temperature sensor. The structure of the sensor and its connection to the ECM are similar to those of the intake air tem ...