C2177

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: C2177/77: Initialization not Completed

DTC C2177/77 - Initialization not Completed

DESCRIPTION

Initialization is necessary if one of the following occurs: 1) the ECU is replaced; 2) the tire pressure warning valve and transmitter is replaced; 3) tires with a different standard tire pressure are installed; 4) the tires are rotated; or 5) a new vehicle is delivered.






WIRING DIAGRAM





INSPECTION PROCEDURE
NOTICE:
- When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the Techstream and write 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 and/or the tire pressure warning valve and transmitter has been replaced.

PROCEDURE

1. CHECK FREQUENCY RECEIVING CONDITION
(a) Check for the conditions described below:
(1) Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle.
HINT: If the vehicle is located in areas described above, the tire pressure warning light may turn on only in a particular area.

(2) Devices using similar radio frequencies are used in the vehicle.
OK:
Facilities or devices that use similar radio frequencies are not located around or in the vicinity of the vehicle.
HINT: Radio frequencies may be interrupted due to the surroundings, or devices installed by the user.

NG -- CHECK IF ANY DEVICE IS INSTALLED BY USER
OK -- Continue to next step.

2. PERFORM INITIALIZATION
(a) Perform initialization Initialization.
NEXT -- Continue to next step.

3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST) C2121
B -- END
A -- GO TO C2121/21 to C2125/25 FLOWCHART C2121 DTC 21 C2125 DTC 25