Toyota Tundra (2015 year). Manual — part 1
Last Modified: 9-16-2014
6.6 F
Doc ID: RM0000010EW3UEX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
FOREWORD
each volume to find the volume with the section you need.
Applicable models
UPK51, 56series
USK51, 52, 56, 57series
Please note that the publications below have also been prepared as relevant service manuals for the
components and system in these vehicles.
MANUAL NAME
PUB. NO.
2015 TOYOTA TUNDRA Electrical Wiring Diagram
EM26B0U
information available, refer to the Toyota Technical Information System (TIS) online at dealership locations
or on the Internet at http://techinfo.toyota.com.
If you find any failures in this manual, you are kindly requested to inform us by using the report form on
the next page.
Repair Manual Quality Report
Att.) Service Manager, Your Distributor
Last Modified: 9-16-2014
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Doc ID: RM0000010EX2C0X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
CAUTION
This contents does not include all the necessary items about repair and service. This manual is made for
may cause severe injury to you or other persons nearby and also cause damage to your customer's
vehicle.
In order to prevent dangerous operation and damage to your customer's vehicle, be sure to follow the
instructions shown below.
This contents must be read thoroughly. It is especially important to have a good understanding
performing the operations following the procedures using this manual, be sure to use tools
specified and recommended. If using non-specified or tools other than recommended tools and
If part replacement is necessary, the part must be replaced with the same part number or
equivalent part. Do not replace it with an inferior quality part.
It is important to note that this manual contains various "Cautions" and "Notices" that must be
unsafe. It is also important to understand that these "Cautions" and "Notices" are not
exaggerations and are possible hazardous consequences that might result from failure to follow
these instructions.
Last Modified: 9-16-2014
6.6 F
Doc ID: RM000000UZ20F9X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
GENERAL INFORMATION
However, most problem checking procedures only involve inspecting the ECU controlled system's circuits
1. TROUBLESHOOTING PROCEDURES
PROCEDURE
TYPE
DETAILS
TROUBLESHOOTING METHOD
DTC Based
Diagnosis
The diagnosis procedure is
based on the DTC that is
stored.
The malfunctioning part is identified based on the
DTC detection conditions using a process of
elimination.
The possible trouble areas are eliminated
Symptom Based
Diagnosis
(No DTCs stored)
The diagnosis procedure is
based on problem
symptoms.
The malfunctioning part is identified based on the
Vehicle systems are complex and use many ECUs that are difficult to inspect independently. Therefore,
replaced.
It is extremely important to ask the customer about the environment and the conditions present when
the problem occurred (Customer Problem Analysis). This makes it possible to simulate the conditions
and confirm the symptom. If the symptom cannot be confirmed or the DTC does not recur, the
malfunctioning part may not be identified using the troubleshooting procedure, and the ECU for the
related system may be replaced even though it is not defective. If this happens, the original problem
will not be solved.
problem symptom.
To identify the malfunctioning part, troubleshooting procedures narrow down the target by separating
components, ECUs and wire harnesses during the inspection. If the wire harness is identified as the
DIAGNOSTIC TESTER
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