4 Runner 4WD V8-4.7L (2UZ-FE) (2003)
Alarm Module: Testing and Inspection
Engine Immobilizer System
TERMINALS OF ECU
Terminals Of ECU/Pinouts
1. CHECK TRANSPONDER KEY AMPLIFIER
a. Disconnect the I17 amplifier connector, and check the continuity of 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 I17 amplifier connector, and check the continuity or voltage of each terminal of the connector.
Standard
If the result is not as specified, the amplifier may malfunction.
Engine Immobilizer System / Oscilloscope Waveform