Toyota 4Runner: 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 the "See page" below.
Wireless Door Lock Control System|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B1242 |
Wireless Door Lock Tuner Circuit Malfunction |
- Harness or connector - Door control receiver - Main body ECU |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
1. READ 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 ...
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. This DTC is stored when the applicable RDA signal
cannot be received with ...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, MAIN BODY ECU (MULTIPLEX NETWORK
BODY ECU)
(a) Remove the main body ECU (See page ).
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Termi ...
Automatic running boards
The Automatic running boards are linked to the side door operations,
extending and retracting when a side door is opened and closed. When a door is
opened or closed, the board on the same side extends or retracts.
1. Opening a door: The appropriate boar ...
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