Toyota Sienna Service Manual: Check that initialization has been completed

Toyota Sienna Service Manual / Tire and wheel / Tire pressure warning system / Initialization / Check that initialization has been completed

(a) Confirm that the data of tire pressure of all tires are displayed on the intelligent tester screen.

Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
TIREPRESS1	ID1 tire inflation pressure (Absolute pressure) / min.: 100 kPa (1 kgf/cm2, 14 psi) max.: 449.35 kPa (4.5 kgf/cm2, 63 psi)	Actual tire inflation pressure	If 100 kPa (1 kgf/cm2, 14 psi) for absolute pressure is displayed, the data has not been received.*
TIREPRESS2	ID2 tire inflation pressure (Absolute pressure) / min.: 100 kPa (1 kgf/cm2, 14 psi) max.: 449.35 kPa (4.5 kgf/cm2, 63 psi)	Actual tire inflation pressure	If 100 kPa (1 kgf/cm2, 14 psi) for absolute pressure is displayed, the data has not been received.*
TIREPRESS3	ID3 tire inflation pressure (Absolute pressure) / min.: 100 kPa (1 kgf/cm2, 14 psi) max.: 449.35 kPa (4.5 kgf/cm2, 63 psi)	Actual tire inflation pressure	If 100 kPa (1 kgf/cm2, 14 psi) for absolute pressure is displayed, the data has not been received.*
TIREPRESS4	ID4 tire inflation pressure (Absolute pressure) / min.: 100 kPa (1 kgf/cm2, 14 psi) max.: 449.35 kPa (4.5 kgf/cm2, 63 psi)	Actual tire inflation pressure	If 100 kPa (1 kgf/cm2, 14 psi) for absolute pressure is displayed, the data has not been received.*

HINT:

*: It may take about 5 to 6 minutes until the values are displayed. If the values are not displayed after several minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24 (See page TW-42).

NOTICE: The following operations can be used instead of above procedure:

1. Turn the ignition switch from OFF to ON.

2. Monitor the tire pressure values of all the wheels using the intelligent tester.

3. If the tire pressure values cannot be displayed on the intelligent tester screen, the initialization has failed.

4. It takes about 5 to 6 minutes to display the tire pressure data.

Initialization procedure

(a) Make sure that the ignition switch is off. (b) Connect the intelligent tester to the DLC3. (c) Turn the ignition switch to the ON position. (d) Select "TIREPRESS" by followi ...

Test mode procedure

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