TIRE PRESSURE MONITORING TIRE PRESSURE WARNING SYSTEM C214187 Tire Pressure Monitor Transmitter ID 1 Missing Message C214287 Tire Pressure Monitor Transmitter ID 2 Missing Message C214387 Tire Pressure Monitor Transmitter ID 3 Missing Message C214487 Tire Pressure Monitor Transmitter ID 4 Missing Message
DESCRIPTION
The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the tire pressure of each wheel. The measured values are transmitted to the tire pressure warning ECU and receiver in the vehicle as radio waves. The ECU compares the measured tire pressure values with the tire pressure threshold. When the measured tire pressure value is less than this threshold, the warning light in the combination meter assembly illuminates.
The tire pressure warning valve and transmitters constantly send radio waves to the tire pressure warning ECU and receiver.
Under the conditions below, the tire pressure warning ECU and receiver is unable to receive the signals from the tire pressure warning valve and transmitters, and a DTC is stored.
Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle.
Devices using similar radio frequencies are used in the vehicle.
The ID of a tire pressure warning valve and transmitter is mistyped during registration.
A tire, wheel and/or transmitter from a different vehicle is installed.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C214187 | Tire Pressure Monitor Transmitter ID 1 Missing Message | When driving at 40 km/h (25 mph) or higher, the tire pressure warning ECU and receiver cannot receive radio waves from the tire pressure warning valve and transmitter for a total of approximately 10 minutes | ·
Tire pressure warning valve and transmitter ·
Tire pressure warning ECU and receiver |
| C214287 | Tire Pressure Monitor Transmitter ID 2 Missing Message | When driving at 40 km/h (25 mph) or higher, the tire pressure warning ECU and receiver cannot receive radio waves radio waves from the tire pressure warning valve and transmitter for a total of approximately 10 minutes | ·
Tire pressure warning valve and transmitter ·
Tire pressure warning ECU and receiver |
| C214387 | Tire Pressure Monitor Transmitter ID 3 Missing Message | When driving at 40 km/h (25 mph) or higher, the tire pressure warning ECU and receiver cannot receive radio waves from the tire pressure warning valve and transmitter for a total of approximately 10 minutes | ·
Tire pressure warning valve and transmitter ·
Tire pressure warning ECU and receiver |
| C214487 | Tire Pressure Monitor Transmitter ID 4 Missing Message | When driving at 40 km/h (25 mph) or higher, the tire pressure warning ECU and receiver cannot receive radio waves from the tire pressure warning valve and transmitter for a total of approximately 10 minutes | ·
Tire pressure warning valve and transmitter ·
Tire pressure warning ECU and receiver |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
- NOTICE:
- ·
When replacing the tire pressure warning ECU and receiver, first use the GTS to record all of the current IDs and registered tires with transmitters of the tire pressure warning valve and transmitter registered to the tire pressure warning ECU and receiver.
·It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters has been replaced.
for Registration:
for Initialization:
PROCEDURE
Check that the following conditions are not met:
Facilities or devices that use similar radio frequencies are located in the vicinity of the vehicle.
- HINT:
-
If the vehicle is located in an area such as the one described above, the tire pressure warning light may blinks due to interfering radio frequencies.
Devices using similar radio frequencies are used in the vehicle.
- HINT:
-
Radio transmissions may be interrupted due to the surroundings or devices installed by the user.
- Result:
Result Proceed to There is no device or facility that uses radio waves of approximately the same frequency in the vicinity of the vehicle or inside the vehicle. A There is a device or facility that uses radio waves of approximately the same frequency in the vicinity of the vehicle or inside the vehicle. B
A
B
Check the stored DTC.
- Chassis > Tire Pressure Monitor > Trouble Codes
- 50001 452
- Result:
Result Proceed to Any DTCs from C214187 to C214487 are output A All DTCs from C214187 to C214487 are output B
A
B
Display the "ID Tire Position" value for each wheel using the GTS.
Refer to the following chart and check the wheel position of the DTC and transmitter match.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note ID 1 Tire Position ID1 tire position No Information, FL, FR, RL, RR, Spare or Judging ID1 tire position is displayed If no tire position information is stored, "No Information" will be displayed. ID 2 Tire Position ID2 tire position No Information, FL, FR, RL, RR, Spare or Judging ID2 tire position is displayed If no tire position information is stored, "No Information" will be displayed. ID 3 Tire Position ID3 tire position No Information, FL, FR, RL, RR, Spare or Judging ID3 tire position is displayed If no tire position information is stored, "No Information" will be displayed. ID 4 Tire Position ID4 tire position No Information, FL, FR, RL, RR, Spare or Judging ID4 tire position is displayed If no tire position information is stored, "No Information" will be displayed.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display ID 1 Tire Position ID 2 Tire Position ID 3 Tire Position ID 4 Tire Position - 50003 452 66,67,68,69
- Result:
Proceed to NEXT
NEXT
Refer to the following chart and record the tire pressure warning valve and transmitter ID of the output DTC.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note Registered ID 1 Code Registered ID1 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID1 displayed - Registered ID 2 Code Registered ID2 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID2 displayed - Registered ID 3 Code Registered ID3 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID3 displayed - Registered ID 4 Code Registered ID4 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID4 displayed -
- HINT:
-
*: Displayed only when the ID No. is not registered.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display Registered ID 1 Code Registered ID 2 Code Registered ID 3 Code Registered ID 4 Code - 50003 452 17,18,19,20
Disassemble the tire indicated in the output DTC and check the tire pressure warning valve and transmitter ID.
| *A | for Type A | *B | for Type B |
| *1 | Tire Pressure Warning Valve and Transmitter | - | - |
| *a | Transmitter ID (7-digit Number) | - | - |
Confirm that the ID number on the transmitter and recorded transmitter ID match.
- Result:
Result Proceed to Match A Do not match B
A
B
- Result:
Proceed to NEXT
NEXT
- Result:
Proceed to NEXT
NEXT
Clear the DTCs.
- Chassis > Tire Pressure Monitor > Clear DTCs
- 50002 452
- Result:
Proceed to NEXT
NEXT
Refer to the following chart and record all of the tire pressure warning valve and transmitter IDs.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display Measurement Item Range Normal Condition Diagnostic Note Registered ID 1 Code Registered ID1 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID1 displayed - Registered ID 2 Code Registered ID2 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID2 displayed - Registered ID 3 Code Registered ID3 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID3 displayed - Registered ID 4 Code Registered ID4 code min.: 0
max.: FFFFFFF*ID No. registered for transmitter ID4 displayed -
- HINT:
- ·
*: Displayed only when the ID No. is not registered.
·The wheel position cannot be determined from ID1 through ID4 on the Data List.
- Chassis > Tire Pressure Monitor > Data List
-
Tester Display Registered ID 1 Code Registered ID 2 Code Registered ID 3 Code Registered ID 4 Code - 50003 452 17,18,19,20
Disassemble all of the tires and check the tire pressure warning valve and transmitter IDs.
| *A | for Type A | *B | for Type B |
| *1 | Tire Pressure Warning Valve and Transmitter | - | - |
| *a | Transmitter ID (7-digit Number) | - | - |
Confirm that the ID number on the transmitter and recorded transmitter ID match.
- Result:
Result Proceed to Match A Do not match B
A
B
Clear the DTCs.
- Chassis > Tire Pressure Monitor > Clear DTCs
- 50002 452
- Result:
Proceed to NEXT
NEXT
Explain to the customer that there is a high possibility that a device (located near or inside the vehicle) or facility using radio waves of approximately the same frequency is causing radio wave interference.