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.

Steering Lock System

DTC Code

Detection Item

Trouble Area

See page

B2781

Open / Short in Steering Lock ECU

- Steering lock actuator assembly (steering lock ECU)

- LIN communication system

- Harness or connector of LIN bus line


B2782

Power Source Control ECU Malfunction

- Steering lock actuator assembly (steering lock ECU)

- Power management control ECU

- Harness or connector


B2788

IG2 Signal Malfunction

- IGN fuse

- Steering lock actuator assembly (steering lock ECU)

- Power management control ECU

- Harness or connector


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 ...

IG2 Signal Malfunction (B2788)
DESCRIPTION The steering lock ECU determines the on/off status of the engine switch through the IG2 signal circuit. The steering lock ECU does not lock the steering when it receives the IG2 relay ...

Other materials about Toyota 4Runner:

Rear Airbag Sensor Assembly RH Initialization Incomplete (B1633/81,B1638/82)
DESCRIPTION The circuit for the side collision sensor LH or RH (to determine deployment of the front seat side airbag LH or RH and curtain shield airbag LH or RH) is composed of the center airbag sensor, side airbag sensor LH or RH and rear airbag sensor ...

Initialization
INITIALIZATION 1. OIL MAINTENANCE INFORMATION MODE RESET OPERATION NOTICE: When "Oil Maintenance Required Soon" is displayed, change the engine oil and perform this procedure. After the engine oil is changed, perform this procedure ...

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