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) a tire pressure warning valve and transmitter is replaced; 3) tires with a different 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 and receiver, 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 and receiver after the ECU and/or 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 come 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 the surroundings, or devices installed by the user.

NG -- CHECK IF ANY DEVICE IS INSTALLED BY USER
OK -- Continue to next step.
2. CHECK TIRE PRESSURE WARNING SELECT SWITCH
(a) Check the position of the tire pressure warning select switch (MAIN or 2nd).
OK:
The tire pressure warning select switch is set to the position for the wheels being used.
NG -- CHANGE TIRE PRESSURE WARNING SELECT SWITCH POSITION
OK -- 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 -- GO TO DTC C2121/21 TO C2124/24 FLOWCHART