Toyota Venza manuals

Toyota Venza: Transmitter ID not Registered (C2171/71)

DESCRIPTION

Each tire pressure warning valve and transmitter ID is registered to the tire pressure warning ECU.

When the ECU detects a transmitter ID code not registered in the ECU, a DTC is output.

DTC No.

DTC Detection Condition

Trouble Area

C2171/71

Transmitter ID code is not registered. (When an ID code is unregistered for 3 minutes or more)

Tire pressure warning ECU

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.
  • It is necessary to perform registration (See page ) of the transmitter IDs into the tire
    pressure warning ECU if the ECU has been replaced.

PROCEDURE

1.

CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES)

(a) Turn the ignition switch off.

(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 / Tire Pressure Monitor / Data List.

(f) Check the values by referring to the table below.

Tire Pressure Monitor

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Registered ID1 code

Registered ID1 code/

min.: 0

max.: FFFFFFF*

The ID No. registered in the transmitter ID1 is displayed

*: Displayed when the ID No. is not registered.

Registered ID2 code

Registered ID2 code/

min.: 0

max.: FFFFFFF*

The ID No. registered in the transmitter ID2 is displayed

*: Displayed when the ID No. is not registered.

Registered ID3 code

Registered ID3 code/

min.: 0

max.: FFFFFFF*

The ID No. registered in the transmitter ID3 is displayed

*: Displayed when the ID No. is not registered.

Registered ID4 code

Registered ID4 code/

min.: 0

max.: FFFFFFF*

The ID No. registered in the transmitter ID4 is displayed

*: Displayed when the ID No. is not registered.

OK:

The registered transmitter ID codes are displayed on the Techstream.


OK

REPLACE TIRE PRESSURE WARNING ECU


NG

2.

PERFORM REGISTRATION (TRANSMITTER ID)

(a) Register the transmitter IDs for 4 tires (See page ).



NEXT

3.

READ VALUE USING TECHSTREAM (DATA LIST)

(a) Turn the ignition switch off.

(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 / Tire Pressure Monitor / Data List.

(f) Check the values by referring to the table below.

Tire Pressure Monitor

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

ID1 Tire Inflation Pressure

ID1 tire inflation pressure/

min.: Absolute pressure/ 0 kPa (0 kgf/cm2, 0 psi), Relative pressure/ -100 kPa (-1.0 kgf/cm2, -14 psi)

max.: Absolute pressure/ 638 kPa (6.4 kgf/cm2, 93 psi), Relative pressure/ 538 kPa (5.4 kgf/cm2, 78 psi)

Actual tire inflation pressure

If 0 kPa (0 kgf/cm2, 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm2, -14 psi) is displayed for relative pressure, data has not been received*.

ID2 Tire Inflation Pressure

ID2 tire inflation pressure/

min.: Absolute pressure/ 0 kPa (0 kgf/cm2, 0 psi), Relative pressure/ -100 kPa (-1.0 kgf/cm2, -14 psi)

max.: Absolute pressure/ 638 kPa (6.4 kgf/cm2, 93 psi), Relative pressure/ 538 kPa (5.4 kgf/cm2, 78 psi)

Actual tire inflation pressure

If 0 kPa (0 kgf/cm2, 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm2, -14 psi) is displayed for relative pressure, data has not been received*.

ID3 Tire Inflation Pressure

ID3 tire inflation pressure/

min.: Absolute pressure/ 0 kPa (0 kgf/cm2, 0 psi), Relative pressure/ -100 kPa (-1.0 kgf/cm2, -14 psi)

max.: Absolute pressure/ 638 kPa (6.4 kgf/cm2, 93 psi), Relative pressure/ 538 kPa (5.4 kgf/cm2, 78 psi)

Actual tire inflation pressure

If 0 kPa (0 kgf/cm2, 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm2, -14 psi) is displayed for relative pressure, data has not been received*.

ID4 Tire Inflation Pressure

ID4 tire inflation pressure/

min.: Absolute pressure/ 0 kPa (0 kgf/cm2, 0 psi), Relative pressure/ -100 kPa (-1.0 kgf/cm2, -14 psi)

max.: Absolute pressure/ 638 kPa (6.4 kgf/cm2, 93 psi), Relative pressure/ 538 kPa (5.4 kgf/cm2, 78 psi)

Actual tire inflation pressure

If 0 kPa (0 kgf/cm2, 0 psi) is displayed for absolute pressure or -100 kPa (-1.0 kgf/cm2, -14 psi) is displayed for relative pressure, data has not been received*.

HINT:

  • *: It may take about 2 or 3 minutes until the values are displayed.
  • If no "ID Tire Inflation Pressure" data has changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270 degrees. Then, rapidly release the tire pressure and recheck it.

Result

Proceed to

All tire pressure readings are equal to specified values.

A

Tire pressure values are not displayed.

B


A

END


B

REPLACE TIRE PRESSURE WARNING ECU

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