Inspection Procedure

NOTE:

When replacing the tire pressure warning ECU, read the IDs stored in the old ECU using the Techstream and write them down before removal.
It is necessary to perform initialization (See INITIALIZATION ) after registration (See REGISTRATION ) of the transmitter IDs into the tire pressure warning ECU after the ECU and/or the tire pressure warning valve and transmitter has been replaced.

CLEAR DTC
1. Turn the engine switch off.
2. Connect the Techstream to the DLC3.
3. Turn the engine switch on (IG) and the Techstream on.
4. Clear the DTC (See DTC CHECK/CLEAR ).

CHECK DTC

Turn the engine switch off.
Connect the Techstream to the DLC3.
Turn the engine switch on (IG) and the Techstream on.

Check for DTC. Result

Result

RESULT REFERENCE

Result	Proceed To
DTC C2176 is output	A
DTC C2176 is not output	B

B: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )

A: REPLACE TIRE PRESSURE WARNING ECU (See REMOVAL )