Tire Pressure Warning System (For Sedan) Tc And Cg Terminal Circuit
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU - DLC3)
TIRE PRESSURE WARNING SYSTEM (for Sedan) - TC and CG Terminal Circuit |
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3. The DTCs are indicated by the blinking of the tire pressure warning light.
WIRING DIAGRAM
- HINT:
- When each warning light continues blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each ECU is suspected.
INSPECTION PROCEDURE
- NOTICE:
- When replacing the tire pressure warning ECU, read the transmitter IDs stored in the old ECU using a Techstream and write them down before removal.
- It is necessary to perform registration (YARIS_NCP93 RM000000XN107JX.html) of the transmitter IDs into the tire pressure warning ECU after the ECU has been replaced.
| 1.CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU - DLC3) |
Disconnect the D78 ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
D78-3 (TC) - D15-13 (TC)
| Always
| Below 1 Ω
|
D78-3 (TC) - Body ground
| Always
| 10 kΩ or higher
|
D15-4 (CG) - Body ground
| Always
| Below 1 Ω
|
| | REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU |
|
|
