Toyota Venza manuals

Toyota Venza: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to "See page" in the DTC chart.

  • Inspect the fuses and relays before troubleshooting the areas shown in the table below.
Wireless Door Lock Control System

DTC Code

Detection Item

Trouble Area

See page

B1242

Wireless Door Lock Tuner Circuit Malfunction

1. Wire harness or connector

2. Door control receiver

3. Main body ECU (driver side junction block assembly)


Dtc Check / Clear
DTC CHECK / CLEAR 1. DTC CHECK/CLEAR (USING TECHSTREAM) (a) CHECK DTC (1) Connect the Techstream to the DLC3. (2) Turn the ignition switch on (IG). (3) Read the DTC by following the prompts on th ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver receives signals from the transmitter and sends these signals to the main body ECU (driver side junction block assembly). DTC No. DTC De ...

Other materials about Toyota Venza:

Using the AUX port/USB port
This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Open the cover. Connect the portable audio device.  - Operating portable audio devices connected to the audio system The volume can be adj ...

Portable Player cannot be Connected Manually/Automatically
CAUTION / NOTICE / HINT HINT: Some versions of "Bluetooth" compatible audio players may not function properly, or the functions may be limited using the navigation receiver assembly, even if the portable audio player itself can play files (See ...

Engine (ignition) switch (vehicles without smart key system)
 - Starting the engine Check that the parking brake is set. Check that the shift lever is set in “P”. Sit in the driver’s seat and firmly depress the brake pedal. Turn the engine switch to the “START” position and start the engine ...

© 2016-2025 Copyright www.tovenza.com

0.1222