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.
|
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) |
|
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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:
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" ...
Back-up Power Source Circuit
DESCRIPTION
The back-up power source circuit for the A/C amplifier is shown below. Power
is supplied even when the ignition switch is turned off. The power is used for diagnostic
trouble code memory, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2A and 2F main body ECU (driver side junction block assembly)
connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
be ...
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