Toyota Avalon V6-3.5L (2GR-FE) Manufacturer Code Page 1123
(b) Start the engine.
(c) Check the waveform of the ECU connector using an oscilloscope, while idling the engine.
OK:
Tool Setting
HINT
The wavelength becomes shorter as the engine speed increases.
NG -- CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU - ECM)
OK -- REPLACE TIRE PRESSURE WARNING ECU See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring
System/Tire Pressure Module/Service and Repair/Removal (from 12/2010)
3. CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU - ECM)
(a) Disconnect the D54 ECU connector.
