Toyota 4Runner manuals

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


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:

Antenna Coil Open / Short (B2784)
DESCRIPTION This DTC is stored when there is an open or short malfunction in the transponder key amplifier coil (built into the engine switch). DTC Code DTC Detection Condition Trouble Area B2784 ...

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 (multiplex network body ECU) (See page ). (b) Measure the voltage and resistance according to the value(s) in the ta ...

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