DTC Code | DTC Name |
---|---|
C2179/79 | Tire Pressure Monitor ECU Communication Stop |
DESCRIPTION
The main body ECU (multiplex network body 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 (multiplex network body ECU) and tire pressure warning ECU and receiver is interrupted for 10 seconds or more. |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
Note
When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.
It is necessary to perform initialization Click here after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver after the ECU has been replaced.
If the main body ECU (multiplex network body ECU) is replaced, refer to Service Bulletin.
PROCEDURE
CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU AND RECEIVER - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
Disconnect the N47 tire pressure warning ECU and receiver connector.
Disconnect the I13 main body ECU (multiplex network body 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 |
CHECK DTC OUTPUT
Clear the DTCs Click here.
Turn the engine switch off.
Turn the engine switch on (IG).
Check for DTCs Click here.
OK |
---|
DTC C2179/79 is not output. |
NG |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
OK |
END