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 - Certification ECU |
|
.gif)
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 lock receiver is used to receive electrical waves relating to the entry
functions of the smart key system (for Entry Function). The certification ECU decodes
the requested sm ...
Other materials about Toyota 4Runner:
System Description
SYSTEM DESCRIPTION
1. ILLUMINATION CONTROL SYSTEM (Illuminated Entry System)
(a) The illuminated entry system has the following control functions:
Control
Outline
Lighting
Actuation Area-linked*1
...
Key Reminder Buzzer does not Sound
DESCRIPTION
The key reminder warning buzzer sounds when the driver side door is opened while
the ignition switch is ACC or off and the key is in the ignition key cylinder. The
key reminder warning buzzer is activated when the main body ECU (multiplex netw ...
0.0249