Toyota Tacoma (2015-2018) Service Manual: How To Troubleshoot Ecu Controlled Systems
Introduction
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General Information
GENERAL INFORMATION
A large number of ECU controlled systems are used in the TOYOTA TACOMA.
In general, ECU controlled systems are considered to be very intricate,
requiring a high lev ...
Other materials:
Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION
When the communication line (IMI - EFIO) between the ECM and certification ECU
(smart key ECU assembly) is stuck high, the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
DTC Output Confirmation Operation
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the engine immobiliser system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
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System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) This system uses ultrasonic sensors to detect any obstacles at the corners
and the rear of the vehicle. The system then informs the driver of the distance
between the sensors and an obstacle as well as their positions by indicating them
on the multi-informat ...
