Toyota Tacoma (2015-2018) Service Manual: Check Mode Procedure
CHECK MODE PROCEDURE
1. Check Mode (Signal Check): DTC CHECK
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON and turn the Techstream on.
(c) Select the Signal Check on the Techstream, and proceed checking with the Techstream.
System Description
SYSTEM DESCRIPTION
1. SRS (SUPPLEMENTAL RESTRAINT SYSTEM) AIRBAG SYSTEM
(a) General Description
(1) The SRS airbag system consists of the following airbag and main components:
Airbag
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Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK DLC3
(a) The vehicle ECUs use ISO 15765-4 communication protocol. The terminal arrangement
of the DLC3 complies with ISO 15031-3 and matches the ISO 15765-4 format.
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Other materials:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use these procedures to troubleshoot the power window control system.
PROCEDURE
1.
VEHICLE BROUGHT TO WORK SHOP
NEXT
2.
CUSTOMER ...
Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that
perform pre-collision system control.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM ...
AUTO LSD Indicator Light does not Come ON
DESCRIPTION
The AUTO LSD does not operate even if the VSC OFF switch is pressed under the
following conditions:
The brake system is faulty.
The temperature inside the hydraulic brake booster increases and the
AUTO LSD operation is suspended.
WIRING DIAGRAM
CAUTION / NOTI ...
