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 ...

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Terminals Of Ecu
TERMINALS OF ECU NOTICE: Turn the ignition switch off before measuring the resistances between CAN bus main wires and between CAN bus branch wires. Turn the ignition switch off before inspecting CAN bus wires for a ground short. After ...

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 requested smart key system operation by identifying a key code ba ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Monitor the ECU data by following the prompts on the Techstream screen. HINT: The Techstream has a "Snapshot" function which records the monitored data. Refe ...

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