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 tire standard 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 a Techstream and write them down before removal.
- It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU after the ECU and/or valve and transmitter has been replaced.

PROCEDURE

1. CHECK FREQUENCY RECEIVING CONDITION
(a) Check if the vehicle is located in areas such as the ones 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 in the vicinity of the vehicle.
HINT: Radio frequency may be interrupted due to 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 .
NEXT -- Continue to next step.
3. CONFIRM TIRE INFLATION PRESSURE (DATA LIST)
(a) Turn the ignition switch off.
(b) Connect a Techstream to the DLC3.
(c) Turn the ignition switch to ON and turn the tester 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





HINT:
- *: 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°. Then rapidly release the tire pressure and recheck it.

Result





B -- END
A -- GO TO DTC C2121/21 TO C2124/24