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 |
|
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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:
CD Sound Skips
PROCEDURE
1.
CHECK CD
(a) Check that the CD is not deformed or cracked.
OK:
No deformation or cracks on the CD
NG
CD IS FAULTY
...
System Description
SYSTEM DESCRIPTION
1. POWER DOOR LOCK CONTROL SYSTEM DESCRIPTION
(a) The power door lock system locks/unlocks all the doors.
The driver and front passenger side door control switches send lock/unlock request
signals to the main body ECU (multiplex network ...
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