Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Engine Immobiliser System Incorrect Assembly (B279C95)

DESCRIPTION

This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle.

DTC Code

DTC Detection Condition

Trouble Area

DTC Output Confirmation Operation

B279C95

An ECM that is incompatible with the engine immobiliser system is installed (1 trip detection logic*).

ECM

Check for DTCs.

  • *: Only output while a malfunction is present.
Vehicle Condition and Fail-safe Operation when Malfunction Detected

Vehicle Condition when Malfunction Detected

Fail-safe Operation when Malfunction Detected

Engine cannot be started

-

Related Data List and Active Test

DTC Code

Data List and Active Test

B279C95

-

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs (See page ).

NEXT

2.

CHECK FOR DTC

(a) Check for DTCs (See page OK: ).

OK:

DTC B279C95 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE ECM

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" bel ...

Antenna Coil Open / Short (B2784)
DESCRIPTION When an open or short circuit is detected in the transponder key amplifier coil built into the engine switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC ...

Other materials:

Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
DESCRIPTION If the manual up/down function can be performed but the auto up/down function cannot, then the fail-safe mode may be functioning. If the power window initialization (See page ) has not been performed, the auto up/down function will not operate. WIRING DIAGRAM CAUTION / NOTICE ...

Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT NO. 2 SPEAKER ASSEMBLY (a) When there is a malfunction such as noise from a speaker or no sound at all, replace the speaker with a new one and check that the malfunction disappears. OK: Malfunction disappears. HINT: Connect the connectors to th ...

If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the system. Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous. The following ...

В© 2011-2021 Copyright www.ttguide.net