Toyota Avalon V6-3.5L (2GR-FE) Manufacturer Code Page 1120
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
2. INSPECT TIRE PRESSURE WARNING ECU (TACH SIGNAL)
(a) Disconnect the D54 ECU connector.
(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 (to 12/2010)
3. CHECK HARNESS AND CONNECTOR (TIRE PRESSURE WARNING ECU - ECM)
(a) Disconnect the D54 ECU connector.
