Toyota Tacoma (2015-2018) Service Manual: How To Troubleshoot Ecu Controlled Systems
Introduction
...
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:
ACC Monitor Malfunction (B2274)
DESCRIPTION
This DTC is stored when a malfunction in the ACC output circuit is detected.
The ACC output circuit is the circuit that goes from the ACC output terminal of
the certification ECU (smart key ECU assembly) to the ACC relay.
HINT:
When the cable is disconnected and reconnected to the ...
Transfer Shift Motor Control Circuit Circuit Open (P17A8)
DESCRIPTION
This DTC is output when an open circuit in the transfer shift motor drive circuit
is detected.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17A8
Transfer Shift Motor Control Circuit Circuit Open
...
VSC OFF Indicator Light Remains ON
DESCRIPTION
In 2WD mode:
Operation of the VSC OFF switch changes the vehicle between normal mode,
TRAC OFF mode (AUTO LSD mode) and VSC OFF mode. During normal mode, pressing
the VSC OFF switch for a short amount of time changes the vehicle to TRAC
OFF mode (AUTO LSD mode), TR ...
