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:
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 is used for operating the air conditioning amplifier assembly, servo
motors, etc.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses ...
Rear Differential Lock Solenoid Circuit High (P17C1)
DESCRIPTION
This DTC is output when a malfunction is detected due to a battery short occurring
in the differential lock coil drive circuit of the rear differential.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
P17C1
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Vehicle Speed Sensor (C1A45)
DESCRIPTION
The blind spot monitor sensor receives vehicle speed signals from the skid control
ECU (brake actuator assembly) via CAN communication.
DTC Code
DTC Detection Condition
Trouble Area
C1A45
A fail flag is transmitted from the ...
