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:

All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch
DESCRIPTION The main body ECU (driver side junction block assembly) receives switch signals from the door control switch and activates the door lock motor on each door according to these signals. WIRING DIAGRAM PROCEDURE 1. REA ...

Display does not Dim when Light Control Switch is Turned ON
PROCEDURE 1. CHECK IMAGE QUALITY SETTING (a) Turn the light control switch to the tail or head position. (b) Check that the daytime screen setting on the display adjustment screen is set to on. Result ...

Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency.  - Removal method Vehicles with smart key system: Turn the “ENGINE START STOP” switch off. Vehicles without smart key system: Turn the engine switch ...

© 2016-2025 Copyright www.tovenza.com

0.1444