C2171

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

DESCRIPTION

The transmitter IDs of each tire pressure warning valve and transmitter are registered to the tire pressure warning ECU.

When the IDs have never been registered, a DTC is output.





INSPECTION PROCEDURE

NOTICE:
* When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using the Techstream and note them down before removal.
* It is necessary to perform initialization Initialization after registration Registration of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.

PROCEDURE

1. CONFIRM REGISTRATION CONDITION (REGISTERED TRANSMITTER IDS)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON and the Techstream on.

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

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

Tire Pressure Monitor





OK:

The registered transmitter IDs are displayed on the Techstream screen.

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 Registration.

NEXT -- Continue to next step.

3. PERFORM INITIALIZATION

(a) Perform initialization Initialization.

NEXT -- Continue to next step.

4. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) C2121

B -- END

A -- REPLACE TIRE PRESSURE WARNING ECU Removal