Toyota Tundra (2015 year). Manual — part 2849
NEXT
(a) Perform initialization
.
6.
CONFIRM TIRE INFLATION PRESSURE (DATA LIST)
B
END
A
REPLACE TIRE PRESSURE WARNING ECU
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2165/...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000002DZY09MX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2171/71; Transmitter ID not Registered; 2015
MY Tundra [08/2014 - ]
DTC
C2171/71 Transmitter ID not Registered
DESCRIPTION
When the IDs have never been registered, a DTC is output.
DTC
CODE
DTC DETECTION CONDITION
TROUBLE AREA
C2171/71
Transmitter ID is not registered. (When a transmitter ID is unregistered for
3 minutes or more)
Tire pressure warning
ECU
INSPECTION PROCEDURE
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the
Techstream and note them down before removal.
It is necessary to perform initialization
after registration
PROCEDURE
1.
CONFIRM REGISTRATION CONDITION (REGISTERED TRANSMITTER IDS)
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and the Techstream on.
(d) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
(e) Check the values by referring to the table below.
Tire Pressure Monitor
TESTER
DISPLAY
MEASUREMENT
ITEM/DISPLAY
NORMAL CONDITION
DIAGNOSTIC NOTE
Registered ID1
Code
Registered ID1 code/
min.: 0
max.: FFFFFFFF*
The transmitter ID registered in the
transmitter ID1 is displayed
*: Displayed only when the
transmitter ID is not registered.
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2171/7...
NEXT
NEXT
TESTER
DISPLAY
MEASUREMENT
ITEM/DISPLAY
NORMAL CONDITION
DIAGNOSTIC NOTE
Registered ID2
Code
Registered ID2 code/
min.: 0
max.: FFFFFFFF*
The transmitter ID registered in the
transmitter ID2 is displayed
*: Displayed only when the
transmitter ID is not registered.
Registered ID3
Code
Registered ID3 code/
min.: 0
max.: FFFFFFFF*
The transmitter ID registered in the
transmitter ID3 is displayed
*: Displayed only when the
transmitter ID is not registered.
Registered ID4
Code
Registered ID4 code/
min.: 0
max.: FFFFFFFF*
The transmitter ID registered in the
transmitter ID4 is displayed
*: Displayed only when the
transmitter ID is not registered.
OK:
The registered transmitter IDs are displayed on the Techstream screen.
NG
GO TO STEP 2
OK
REPLACE TIRE PRESSURE WARNING ECU
2.
PERFORM REGISTRATION (TRANSMITTER ID)
(a) Register the transmitter IDs for all the wheels
.
3.
PERFORM INITIALIZATION
(a) Perform initialization
.
4.
CONFIRM TIRE INFLATION PRESSURE (DATA LIST)
B
END
A
REPLACE TIRE PRESSURE WARNING ECU
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2171/7...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000XNA0G6X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2174/74,C2191/91; Vehicle Speed Signal
Malfunction; 2015 MY Tundra [08/2014 - ]
DTC
C2174/74 Vehicle Speed Signal Malfunction
DTC
C2191/91 Vehicle Speed Signal Error (Test Mode DTC)
DESCRIPTION
Speed signals are input into the tire pressure warning ECU from the combination meter. At the same time, the
G-SW in the tire pressure warning valve and transmitter detects driving conditions, and sends signals to the tire
pressure warning ECU. If the speed signal from the combination meter stops and the G-SW signal in the tire
pressure warning valve and transmitter indicates that the vehicle is being driven, DTC C2174/74 is stored.
DTC C2191/91 is stored only during the signal check.
DTC CODE
DETECTION CONDITION
TROUBLE AREA
C2174/74
Vehicle speed signal malfunction
Combination meter
Vehicle speed signal circuit
Harness or connector
Tire pressure warning ECU
Tire pressure warning valve and transmitter
C2191/91
Test mode procedure is performed
Meter / gauge system (speed signal)
Vehicle speed signal circuit
Harness or connector
Tire pressure warning ECU
WIRING DIAGRAM
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2174/...
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