C2171

TIRE PRESSURE MONITORING: 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 transmitter are registered to the tire pressure warning ECU.

When the ECU detects that an ID is not one of the registered IDs, or cannot receive an ID signal, a DTC is output.





INSPECTION PROCEDURE

NOTICE:
* When replacing the tire pressure warning ECU, read the 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 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





OK:

The registered transmitter ID codes are displayed on the Techstream.

Result





B -- REPLACE TIRE PRESSURE WARNING ECU Removal
A -- Continue to next step.

2. PERFORM REGISTRATION (TRANSMITTER ID)

(a) Register the transmitter IDs for all the wheels Registration.

NEXT -- Continue to next step.

3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) C2121

B -- REPLACE TIRE PRESSURE WARNING ECU Removal

A -- END