Toyota Venza manuals

Toyota Venza: Transmitter ID1 Operation Stop (C2111/11-C2114/14)

Toyota Venza Service Manual / Tire Pressure Monitoring / Tire Pressure Warning System / Transmitter ID1 Operation Stop (C2111/11-C2114/14)

DESCRIPTION

The tire pressure warning valve and transmitter installed in each tire and wheel assembly measures the tire pressures. The measured values are transmitted as radio waves to the tire pressure warning antenna and receiver on the body and then sent to the tire pressure warning ECU. The ECU compares the measured air pressure values with the air pressure threshold. When the measured air pressure value is less than this threshold, the warning light in the accessory meter comes on. The tire pressure warning ECU stores a DTC when the tire pressure warning valve and transmitter stops transmitting signals. If this occurs, forcibly transmit signals by releasing the tire pressure rapidly. The stored DTC is cleared when the signal transmission is resumed.

DTC No.

DTC Detection Condition

Trouble Area

C2111/11

C2112/12

C2113/13

C2114/14

Tire pressure warning valve and transmitters stop transmitting signals

  • Tire pressure warning valve and transmitter
  • Tire pressure warning ECU

HINT:

It is necessary to perform this procedure to identify the malfunctioning tire pressure warning valve and transmitter as it cannot be identified only by the output DTC.

WIRING DIAGRAM


PROCEDURE

1.

PERFORM FORCED TRANSMISSION OF TRANSMITTER ID OF ALL WHEELS

(a) Set all tire pressures to the specified value(s) (See page ).


(b) Turn the ignition switch off.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

(g) 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 the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24 (See page ).


(h) Rapidly release the tire pressure for each wheel at least 40 kPa (0.4 kgf/cm2, 5.8 psi) within 30 seconds.

(i) Check that each tire pressure data displayed on the Techstream has changed.

OK:

Each tire pressure data displayed on the Techstream will change to the actual tire pressure value.

NOTICE:

  • It takes about 2 or 3 minutes to display the updated tire pressure data.
  • If the "ID Tire Inflation Pressure" data has not 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.

(j) After confirming that all of the tire pressure data displayed on the Techstream have changed, set each tire pressure to the appropriate specified values.

HINT:

If the tire pressure data displayed on the Techstream have not changed after rechecking, troubleshoot for other problems (See page ).



OK

END


NG

GO TO TRANSMITTER AND RECEIVER INSPECTION PROCEDURE

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