Toyota Tundra (2015 year). Manual — part 216
TESTER DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC NOTE
Trailer Brake Light Trailer brake light / ON or OFF
ON: Trailer brake light ON
OFF: Trailer brake light OFF
-
Battery Voltage
Battery voltage / min.: 0.000 V,
max.: 18.000 V
11 to 14 V
-
Terminal
Temperature
Terminal temperature / min.:
-30.000°C, max.: 100.000°C
Actual terminal temperature
-
Manual Gain
Manual gain value / min.: 0.0,
max.: 10.0
Gain value set when GAIN (+/-)
selection button is operated
-
Trailer Brake Type
Trailer brake type / Electric or
Electric + Hydraulic
Electric: Trailer brake type set to
"Electric" by trailer brake TYPE
selection button operation
Electric + Hydraulic: Trailer brake
type set to "Electric + Hydraulic" by
trailer brake TYPE selection button
operation
-
DTC 1
DTC 1 / C14A0, C14A1, C14A2,
C14A3, C14A4, C14A5, C14A6,
C14A7, U0101, U0129, U0155, -
First DTC stored after clearing the
DTCs
When DTC is not
stored, "-" is
displayed
DTC1 ODO
DTC1 ODO / min.: 0.0000 km,
max.: 1609343.0000 km
Driving distance when first DTC is
stored after clearing the DTCs
When DTC is not
stored, "-" is
displayed
DTC 2
DTC 2/ C14A0, C14A1, C14A2,
C14A3, C14A4, C14A5, C14A6,
C14A7, U0101, U0129, U0155, -
Second DTC stored after clearing
the DTCs
When DTC is not
stored, "-" is
displayed
DTC2 ODO
DTC2 ODO / min.: 0.0000 km,
max.: 1609343.0000 km
Driving distance when second DTC
is stored after clearing the DTCs
When DTC is not
stored, "-" is
displayed
DTC 3
DTC 3 / C14A0, C14A1, C14A2,
C14A3, C14A4, C14A5, C14A6,
C14A7, U0101, U0129, U0155, -
Third DTC stored after clearing the
DTCs
When DTC is not
stored, "-" is
displayed
DTC3 ODO
DTC3 ODO / min.: 0.0000 km,
max.: 1609343.0000 km
Driving distance when third DTC is
stored after clearing the DTCs
When DTC is not
stored, "-" is
displayed
DTC 4
DTC 4/ C14A0, C14A1, C14A2,
C14A3, C14A4, C14A5, C14A6,
C14A7, U0101, U0129, U0155, -
Fourth DTC stored after clearing the
DTCs
When DTC is not
stored, "-" is
displayed
DTC4 ODO
DTC4 ODO / min.: 0.0000 km,
max.: 1609343.0000 km
Driving distance when fourth DTC is
stored after clearing the DTCs
When DTC is not
stored, "-" is
displayed
DTC 5
DTC 5/ C14A0, C14A1, C14A2,
C14A3, C14A4, C14A5, C14A6,
C14A7, U0101, U0129, U0155, -
Fifth DTC stored after clearing the
DTCs
When DTC is not
stored, "-" is
displayed
DTC5 ODO
DTC5 ODO / min.: 0.0000 km,
max.: 1609343.0000 km
Driving distance when fifth DTC is
stored after clearing the DTCs
When DTC is not
stored, "-" is
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: DATA...
TESTER DISPLAY
MEASUREMENT ITEM/RANGE
NORMAL CONDITION
DIAGNOSTIC NOTE
displayed
2. PERFORM ACTIVE TEST
(a) Connect the trailer brake connector to the trailer socket.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / Trailer Brake Controller / Active Test.
HINT:
The ignition switch must be turned ON to proceed to the Active Test using the Techstream.
Trailer Brake Controller:
TESTER DISPLAY
TEST PART
CONTROL RANGE
DIAGNOSTIC NOTE
Trailer Brake Output
Trailer brake output
0 to 100%
Can be operated in the following conditions
DTC C14A4 not output
Vehicle speed = 0 km/h (0 mph)
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: DATA...
Last Modified: 9-16-2014
6.6 S
Doc ID: RM000000OS6031X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: DIAGNOSTIC TROUBLE CODE CHART; 2015 MY
Tundra [08/2014 - ]
DIAGNOSTIC TROUBLE CODE CHART
NOTICE:
Turn the ignition switch off before removing any parts.
HINT:
DTC CODE
DETECTION ITEM
SEE PAGE
C14A0
Slider Switch Circuit
C14A1
Gain Rocker Switch (+) Circuit
C14A2
Gain Rocker Switch (-) Circuit
C14A3
Type Push Button Switch Circuit
C14A4
Output Circuit Temperature High / Over Current
C14A5
Output Circuit Unintended Current
C14A6
Output Circuit Negative Voltage
C14A7
ECU Malfunction
U0101
Lost Communication with TCM
U0129
Lost Communication with Brake System Control Module
U0155
Lost Communication with Instrument Panel Cluster (IPC) Control Module
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: DIA...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000001K2602QX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: C14A0-C14A3,C14A5,C14A7; Slider Switch Circuit;
2015 MY Tundra [08/2014 - ]
DTC
C14A0
Slider Switch Circuit
DTC
C14A1
Gain Rocker Switch (+) Circuit
DTC
C14A2
Gain Rocker Switch (-) Circuit
DTC
C14A3
Type Push Button Switch Circuit
DTC
C14A5
Output Circuit Unintended Current
DTC
C14A7
ECU Malfunction
DESCRIPTION
DTC
CODE
DTC DETECTION CONDITION
TROUBLE AREA
C14A0
exceeds 4.8 V for 30 seconds or more
1.
Manual trailer brake output slider output value is continuously
below 0.2 V for 30 seconds or more
2.
Manual trailer brake output slider output value continuously
changes faster than physically possible for 0.2 seconds or
more
3.
Trailer brake control ECU
(Brake control with bracket
relay)
C14A1
selection button input signal continues for 60 seconds or more
1.
GAIN (+) selection button input signal changes 5 times or
more within 0.5 seconds
2.
Trailer brake control ECU
(Brake control with bracket
relay)
C14A2
selection button input signal continues for 60 seconds or more
1.
GAIN (-) selection button input signal changes 5 times or
2.
Trailer brake control ECU
(Brake control with bracket
relay)
BRAKE CONTROL: TRAILER BRAKE CONTROL SYSTEM: C14A...
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