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:
Extension Module Malfunction (B1552,B158A,B15BA)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the extension module.
DTC Code
DTC Detection Condition
Trouble Area
B1552
Internal malfunction of the extension module
Stereo component tuner assembly
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Windshield wipers and washer
■ Without intermittent type
Type A
Low speed windshield wiper
operation
High speed windshield wiper operation
Temporary operation
Washer operation
Type B
Low speed windshield wiper operation
High speed windshield wiper operation
Temporary operation
Washer op ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Proceed to the troubleshooting for each circuit in the table below.
Symptom
Suspected Area
See page
Passenger seat occupant conditions and displayed passenger airbag ON/OFF
indicator do not correspond
Tr ...
