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:

Position Initialization Incomplete (B2343)
DESCRIPTION This DTC is stored when the sliding roof drive gear sub-assembly (sliding roof ECU) has not been initialized. DTC Code DTC Detection Condition Trouble Area B2343 The sliding roof driv ...

Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after d ...

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