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:

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Make sure to release the vacuum from the brake booster before removing the master cylinder from the brake booster. PROCEDURE 1. DRAIN BRAKE FLUID NOTICE: Wash off brake fluid immediately if it comes in contact w ...

Short to B+ in CAN Bus Line
DESCRIPTION There may be a short circuit between the CAN bus lines and +B when the resistance between terminals 6 (CANH) and 16 (BAT) or terminals 14 (CANL) and 16 (BAT) of the DLC3 is below 6 kΩ. Symptom Trouble Area ...

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