Toyota 4Runner: Diagnostic Trouble Code Chart

Toyota 4Runner Service Manual / Vehicle Interior / Door Lock / Wireless Door Lock Control System(w/o Smart Key System) / 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

DTC Code

Detection Item

Trouble Area

See page

B1242

Wireless Door Lock Tuner Circuit Malfunction

- Harness or connector

- Door control receiver

- Main body ECU

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 ...

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Precaution
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