DTC Code | DTC Name |
---|---|
C2179/79 | Tire Pressure Monitor ECU Communication Stop |
DESCRIPTION
The main body ECU (network gateway ECU) sends signals to the tire pressure warning ECU and receiver via a direct line.
DTC No. | DTC Detection Condition | Trouble Area |
---|---|---|
C2179/79 | Communication between the main body ECU (network gateway ECU) and tire pressure warning ECU and receiver is interrupted for 10 seconds or more. |
|
WIRING DIAGRAM
*a | BPRG |
*b | Main Body ECU (Network Gateway ECU) |
*c | Tire Pressure Warning ECU and Receiver |
CAUTION / NOTICE / HINT
Note
When replacing the tire pressure warning ECU and receiver, read the IDs stored in the old ECU using the GTS and write them down before removal.
It is necessary to perform initialization (See page ) after registration Click here of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.
PROCEDURE
CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU AND RECEIVER - MAIN BODY ECU (NETWORK GATEWAY ECU))
Disconnect the H28 tire pressure warning ECU and receiver connector and the D6 main body ECU (network gateway ECU) connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance | |||||||||
---|---|---|---|---|---|---|---|---|---|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER
Replace the tire pressure warning ECU and receiver Click here.
NEXT |
REGISTRATION OF TRANSMITTER ID
Perform registration Click here.
NEXT |
PERFORM INITIALIZATION
Perform initialization Click here.
NEXT |
CHECK DTC OUTPUT
Clear the DTCs Click here.
Turn the ignition switch off.
Turn the ignition switch to ON.
Check for DTCs Click here.
OK |
---|
DTC C2179/79 is not output. |
OK |
END |
NG |
REPLACE MAIN BODY ECU (NETWORK GATEWAY ECU) Click here |