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
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).
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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:
IG Power Source Circuit
DESCRIPTION
The main power source is supplied to the air conditioning amplifier assembly
when the ignition switch is turned to ON. The power source is used for operating
the air conditioning amplifier assembly, servo motors, etc.
WIRING DIAGRAM
CAUTIO ...
Operation Check
OPERATION CHECK
1. CHECK WINDOW LOCK SWITCH
HINT:
Before performing the window lock switch operation check, make sure that the
window lock switch is off (the switch is not pushed in).
(a) Check that the front passenger side power window, rear power windo ...
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