4 Runner 4WD V8-4.7L (2UZ-FE) (2003)
Engine Immobilizer System / Oscilloscope Waveform
c. Inspect using an oscilloscope.
Terminals Of ECU/Pinouts
2. CHECK TRANSPONDER KEY ECU ASSY
a. Disconnect the the T8 ECU connector, and check the voltage or continuity between each terminal of the wire harness side connector.
Standard
If the result is not as specified, there may be a malfunction on the wire harness side.
b. Reconnect the T8 ECU connector, and check the voltage between each terminal of the connector.