Toyota Tundra (2015 year). Manual — part 2838
(e) Turn the ignition switch to ON and the Techstream on.
(f) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
NOTICE:
TESTER
DISPLAY
MEASUREMENT
ITEM/RANGE
NORMAL
CONDITION
DIAGNOSTIC NOTE
ID 1 Tire
Inflation
Pressure
ID1 tire inflation
pressure /
min.: Absolute
pressure / 100.00
kPa (1 kgf/cm
2
, 14
psi), Relative
pressure / 0 kPa (0
kgf/cm
2
, 0 psi)
max.: Absolute
pressure / 449.35
kPa (4.5 kgf/cm
2
,
63 psi), Relative
pressure / 349.35
kPa (3.6 kgf/cm
2
,
51 psi)
Actual tire
inflation
pressure
If 100 kPa (1 kgf/cm
2
, 14 psi) for the
absolute pressure or
0 kPa (0 kgf/cm
2
, 0
psi) is displayed for
the relative pressure,
the data has not
been received.*
ID 2 Tire
Inflation
Pressure
ID2 tire inflation
pressure /
min.: Absolute
pressure / 100.00
kPa (1 kgf/cm
2
, 14
psi), Relative
pressure / 0 kPa (0
kgf/cm
2
, 0 psi)
max.: Absolute
pressure / 449.35
kPa (4.5 kgf/cm
2
,
63 psi), Relative
pressure / 349.35
kPa (3.6 kgf/cm
2
,
51 psi)
Actual tire
inflation
pressure
If 100 kPa (1 kgf/cm
2
, 14 psi) for the
absolute pressure or
0 kPa (0 kgf/cm
2
, 0
psi) is displayed for
the relative pressure,
the data has not
been received.*
ID 3 Tire
Inflation
Pressure
ID3 tire inflation
pressure /
min.: Absolute
Actual tire
inflation
pressure
If 100 kPa (1 kgf/cm
2
, 14 psi) for the
absolute pressure or
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: INITI...
TESTER
DISPLAY
MEASUREMENT
ITEM/RANGE
NORMAL
CONDITION
DIAGNOSTIC NOTE
pressure / 100.00
kPa (1 kgf/cm
2
, 14
psi), Relative
pressure / 0 kPa (0
kgf/cm
2
, 0 psi)
max.: Absolute
pressure / 449.35
kPa (4.5 kgf/cm
2
,
63 psi), Relative
pressure / 349.35
kPa (3.6 kgf/cm
2
,
51 psi)
0 kPa (0 kgf/cm
2
, 0
psi) is displayed for
the relative pressure,
the data has not
been received.*
ID 4 Tire
Inflation
Pressure
ID4 tire inflation
pressure /
min.: Absolute
pressure / 100.00
kPa (1 kgf/cm
2
, 14
psi), Relative
pressure / 0 kPa (0
kgf/cm
2
, 0 psi)
max.: Absolute
pressure / 449.35
kPa (4.5 kgf/cm
2
,
63 psi), Relative
pressure / 349.35
kPa (3.6 kgf/cm
2
,
51 psi)
Actual tire
inflation
pressure
If 100 kPa (1 kgf/cm
2
, 14 psi) for the
absolute pressure or
0 kPa (0 kgf/cm
2
, 0
psi) is displayed for
the relative pressure,
the data has not
been received.*
HINT:
The initialization is complete when the Data List "ID Tire Inflation
Pressure" display shows the correct pressures.
*: It may take up to about 5 to 6 minutes to update the tire
pressure data. If the values are not displayed after about 5 to 6
minutes, perform troubleshooting according to the inspection
procedure for DTCs C2121/21 to C2124/24
.
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: INITI...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000XN00BHX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: TEST MODE PROCEDURE; 2015 MY Tundra
[08/2014 - ]
TEST MODE PROCEDURE
1. TEST MODE PROCEDURE
HINT:
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Check that the tire pressure warning light turns on for 3 seconds and then goes off.
(e) Turn the Techstream on.
(f) Enter the following menus: Chassis / Tire Pressure Monitor / Utility / Signal Check.
(g) Confirm that the tire pressure warning light in the combination
meter blinks at 0.125 second intervals.
2. PERFORM SIGNAL CHECK
HINT:
When entering Signal Check mode, the tire pressure warning ECU stores all the Test Mode DTCs first.
After completing the signal check for each inspection item, the DTCs for systems that are determined
to be normal by the tire pressure warning ECU will be cleared.
The DTCs for other inspection items may not be cleared when only a certain signal is inspected.
When signal check returns to normal mode, all the Test Mode DTCs will be cleared.
(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 / Utility / Signal Check.
HINT:
Every time the Test Mode DTC clear conditions are satisfied, the tire pressure warning light turns on for 1
second. Then, the tire pressure warning light blinks at 0.125 second intervals.
(e) Drive the vehicle at 20 km/h (12 mph) or more for 3 seconds or more to check the vehicle speed signal
(C2191/91).
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: TEST...
(f) Loosen the valve core and rapidly reduce the pressure (at least 40 kPa (0.4 kgf/cm
2
, 5.8 psi) within 30
seconds) to check the transmitter data (C2181/81 to C2184/84).
HINT:
The transmitter ID can be transmitted by rapidly reducing the tire pressure.
(g) Check that the tire pressure warning system Test Mode DTCs are cleared.
TEST MODE DTC
TEST SIGNAL
TEST MODE DTC CLEAR CONDITION
C2181/81 to
C2184/84
Transmitter Data
Receive data from the transmitter which has a registered ID in the tire
pressure warning ECU
C2191/91
Vehicle Speed
Signal
(h) Check the tire pressure warning reset switch.
(1) Press the tire pressure warning reset switch.
(2) Check the tire pressure warning light.
TEST SIGNAL
NORMAL CONDITION
Tire Pressure Warning Reset
Switch
Switch ON: Tire pressure warning light turns on.
Switch OFF: Tire pressure warning light blinks at 0.125 second
intervals.
(i) Result
HINT:
After the signal check is completed, check for a Test Mode DTC to confirm the system status.
CONDITION
PROCEDURE
Test Mode DTC is output
Repair the faulty part and enter Signal Check again
Test Mode DTCs are cleared
No problem
Techstream.
DETECTION ITEM
TROUBLE AREA
SEE PAGE
C2181/81
Transmitter ID1 not received
Tire pressure warning valve and transmitter
Tire pressure warning antenna and receiver
Wire harness or connector
Tire pressure warning ECU
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: TEST...
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