Tacoma

Toyota Tacoma 2015-2018 CAN Workshop Manual

DTC DETECTION ITEM DTC DETECTION
CONDITION
DTC DETECTION
PRE-CONDITION
DTC CHECK
PROCEDURE
WARNING
INDICATION
IN METER
DTC
STORAGE
METHOD
(smart key ECU
assembly) for
10 seconds or
more.
the battery.
The power
source
voltage of
the main
body ECU
(multiplex
network body
ECU) is 10 V
or more.
(f) Certification ECU (Smart Key ECU Assembly) / Techstream Display "Smart Key"
HINT:
This ECU uses the CAN communication system for DTC communication.
Certification ECU (Smart Key ECU Assembly) / Techstream Display "Smart Key"
DTC DETECTION
ITEM
DTC
DETECTION
CONDITION
DTC DETECTION
PRE-CONDITION
DTC CHECK
PROCEDURE
WARNING
INDICATION
IN METER
DTC
STORAGE
METHOD
U0100
Lost
Communication
With ECM/PCM
"A"
The
certification
ECU (smart key
ECU assembly)
is unable to
receive certain
data from the
ECM for 10
seconds or
more.
Both conditions are met:
10 seconds or
more elapse
after a power
source mode
change is
detected (+B
changes from
off to on, ACC
changes
between on
and off, or IG
changes
between on
and off).
The
certification
ECU (smart key
ECU assembly)
power supply
voltage is 10 V
or higher.
Wait 20
seconds after
turning the
ignition
switch to
ACC or ON.
-
The DTC
remains
stored until it
is cleared
using the
Techstream.
U0142
Lost
Communication
with Body
Control Module
The
certification
ECU (smart key
ECU assembly)
Both conditions are met:
10 seconds or
more elapse
Wait 20
seconds after
turning the
ignition
-
The DTC
remains
stored until it
is cleared
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