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. Certification ECU (Smart key ECU assembly)


Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any p ...

Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION The door control receiver is used to receive electrical waves relating to the entry functions of the smart key system. The certification ECU (smart key ECU assembly) decodes the reque ...

Other materials about Toyota Venza:

Fail-safe Chart
FAIL-SAFE CHART 1. POWER WINDOW OPERATION IN FAIL-SAFE MODE HINT: If the pulse sensor built into the power window regulator motor malfunctions, the power window control system enters fail-safe mode. (a) The power window control system prohibits the follo ...

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" column of ...

Side doors
The vehicle can be locked and unlocked using the entry function, wireless remote control, key or door lock switch.  - Entry function (vehicles with smart key system)  - Wireless remote control  - Key ► Vehicles with smart key system ...

© 2016-2026 Copyright www.tovenza.com

0.1579