4 Runner 4WD V8-4.7L (2UZ-FE) (2003)
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3. CHECK ECM
a. Disconnect the the E6, E7 and E8 ECU connectors, and check the voltage or continuity between each terminal of the wire harness side
connectors.
Standard
Engine Immobilizer System / Oscilloscope Waveforms
b. Inspect using an oscilloscope.
If the result is not as specified, there may be a malfunction on the wire harness side.
