Toyota 4Runner: Theft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B279C |
An ECM that is incompatible with the engine immobiliser system is installed. |
ECM |
PROCEDURE
|
1. |
REPLACE CURRENT ECM WITH PROPER ECM |
(a) Replace the current ECM with the proper ECM (See page
.gif)
).
| NEXT | .gif) |
END |
Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION
If the communication line (EFIO-IMI) to the ID code box is stuck on HI output,
the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
...
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION
This DTC is stored when the engine switch power source supply line is open or
shorted.
DTC Code
DTC Detection Condition
Trouble Area
B ...
Other materials about Toyota 4Runner:
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK STEERING LOCK ECU
(a) Disconnect the F68 steering lock ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Ter ...
Horn System
Parts Location
PARTS LOCATION
ILLUSTRATION
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 l ...
0.025