Toyota Sequoia (2005). Manual — part 253
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–807
1001
4.
CONFIRMATION OF TRANSMITTER ID REGISTRATION
(a)
Set the tire pressure of all wheels to the specified value.
Tire size
Front
Rear
Spare
P245 / 70 R 16
220 kPa (2.2 kgf/cm
2
, 32 psi)
240 kPa (2.4 kgf/cm
2
, 35 psi)
240 kPa (2.4 kgf/cm
2
, 35 psi)
P265 / 70 R 16
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
P265 / 65 R 17
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
(b)
Connect the hand–held tester to DLC3.
(c)
Turn the ignition switch to the ON position.
(d)
Select ”SIGNAL CHECK” mode on the hand–held tester (see page
(e)
Forcibly transmit the transmitter IDs for all wheels.
(1)
When rapidly reducing the pressure, remove the valve core (above 20 kPa/15 sec.).
HINT:
The transmitter ID can be transmitted by rapidly reducing the tire air pressure.
When rapidly reducing the pressure, remove the valve core (above 20 kPa/15 secs.).
(2)
Perform the steps mentioned above to all tires including the spare tire.
(f)
Check that test mode DTCs C2181/81, C2182/82, C2183/83, C2184/84 and C2185/85 are all erased.
HINT:
The transmitter ID registration is complete when the test mode DTCs are erased.
If they haven’t been erased, reset the tire pressure to the specified value and rotate the tire 90 to 270
degrees. Then forcibly transmit the transmitter IDs of all wheels. If they are still output, register the
transmitter IDs.
(g)
Set the tire pressure of all wheels to the specified value.
DIDK0–01
F19150
Tire Pressure
Warning
Reset Switch
F19143
Tire Pressure Warning Lamp
ON
OFF
1 sec.
1 sec.
DI–808
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1002
INITIALIZATION
1.
INITIALIZATION
NOTICE:
Initialization is necessary after replacing either the ECU,
tires with different tire pressure or tire pressure monitor
valve sub–assy, after rotating the tires, or when a new ve-
hicle is delivered.
(a)
Set the tire air pressure for all wheels, including the spare,
to the specified value.
Tire size
Front
Rear
Spare
P245 / 70 R 16
220 kPa (2.2 kgf/cm
2
, 32 psi)
240 kPa (2.4 kgf/cm
2
, 35 psi)
240 kPa (2.4 kgf/cm
2
, 35 psi)
P265 / 70 R 16
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
P265 / 65 R 17
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
220 kPa (2.2 kgf/cm
2
, 32 psi)
(b)
Keep the tire pressure warning reset switch pressed for
3 seconds or more with the ignition switch on.
(c)
Check that the tire pressure warning lamp blinks 3 times
(1 second ON, 1 second OFF).
HINT:
Do not turn the ignition switch off during initialization (The
initialization process takes about 20 minutes).
Initialization will be complete if signals are received from
all the wheels including the spare. Initialization will be
canceled if the ignition switch is turned off during initializa-
tion.
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
DI–809
1003
(d)
Confirm that initialization is complete using the hand–
held tester.
(e)
Check that the pressure for each tire is displayed in INIT
THRESHOLD 1 to 5.
(f)
Initialization is complete.
DIDKL–01
D05981
DLC3
Hand–Held
Tester
F19915
DI–810
–
DIAGNOSTICS
TIRE PRESSURE WARNING SYSTEM
1004
TEST MODE PROCEDURE
1.
ENTER TEST MODE
HINT:
Operation of the tire pressure warning reset switch can be
checked in TEST MODE.
During TEST MODE, the system is not initialized by push-
ing the tire pressure warning reset switch. The circuit of
the tire pressure warning reset switch can be inspected
during this mode.
(a)
Make sure that the ignition switch is off.
(b)
Connect the hand–held tester to DLC3.
(c)
Turn the ignition switch to the ON position.
(d)
Select the TEST MODE on hand–held tester.
(e)
Perform tire pressure warning reset switch test.
(1)
Push the tire pressure warning reset switch.
(2)
Check the tire pressure warning indicator lamp.
Test Signal
Normal Condition
Tire Pressure Warning Reset Switch
Switch ON: TPWS indicator come on
Switch OFF: TPWS indicator blinking
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