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 |
|
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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 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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT NO. 1 SUSPENSION LOWER ARM SUB-ASSEMBLY LH
(a) As shown in the illustration, flip the ball joint stud back and forth
5 times before installing the nut.
(b) Using ...
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" ...
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