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.

Certification ECU

DTC Code

Detection Item

Trouble Area

See page

B2784

Antenna Coil Open / Short

- Certification ECU

- Engine switch


B278A

Short to GND in Immobiliser System Power Source Circuit

- Harness or connector

- Engine switch

- Certification ECU


B2790

ID BOX EEPROM Malfunction

- ID code box

- Certification ECU


HINT:

The DTCs for the engine immobiliser system are specified above. If other codes are output, check the DTC chart for the SFI system.

ECM

DTC Code

Detection Item

Trouble Area

See page

B2799

Engine Immobiliser System Malfunction

- Harness or connector

- ECM

- ID code box


B279A

Theft Deterrent System Communication Line High Fixation

- Harness or connector

- ECM

- ID code box


B279C

Theft Deterrent System Presence Detection

ECM


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 ...

Dtc Check / Clear
DTC CHECK / CLEAR HINT: When using the Techstream with the engine switch off to troubleshoot: Connect the Techstream to the vehicle and turn a courtesy light switch on and off at 1.5 ...

Other materials about Toyota 4Runner:

Outer Rear View Mirror Glass
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE OUTER MIRROR LH (a) Put p ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" ...

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