C2171

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2171/71: Transmitter ID not Registered
C2171/71 - Transmitter ID not Registered

DESCRIPTION

The IDs of each tire pressure warning valve and transmitters are registered to the tire pressure warning ECU. When the ECU detects that transmitter ID is not registered in the ECU, a DTC is output.





INSPECTION PROCEDURE

NOTICE:
It is necessary to register the transmitter IDs after replacing the tire pressure warning valve and transmitter and/or the tire pressure warning ECU Programming and Relearning.

PROCEDURE

1. CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES)

(a) Set the tire pressure of all the wheels to the specified value Service Precautions.

(b) Turn the ignition switch off.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch on (IG).

(e) Turn the Techstream on.

(f) Check the values by referring to the table below. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

Tire Pressure Monitor:





HINT
*1: Displayed only when the ID No. is not registered.

(g) Check the ID No. on the identified transmitter by removing it from the tire and wheel.

OK:

The registered transmitter ID codes are displayed on the Techstream display.

NG -- PERFORM REGISTRATION (TRANSMITTER ID)

OK -- REPLACE TIRE PRESSURE WARNING ECU Removal

2. PERFORM REGISTRATION (TRANSMITTER ID)

(a) Register the transmitter IDs for all the wheels Programming and Relearning.

NEXT -- Continue to next step.

3. READ VALUE USING TECHSTREAM (TIRE INFLATION PRESSURE)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch on (IG).

(d) Turn the Techstream on.

(e) Check the values by referring to the table below. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

Tire Pressure Monitor:





HINT
* *1: It may take about 2 or 3 minutes until the values are displayed.
* When 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:





B -- REPLACE TIRE PRESSURE WARNING ECU Removal

A -- END