Pin Voltage Tests
WARNING: This page is about a different car, the 2002 Toyota Avalon and 2001 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For circuit reference, see WIRING DIAGRAMS and/or CONNECTOR IDENTIFICATION
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Access ECM, leaving ECM connected. See Figure. Using DVOM, backprobe between specified terminals of the ECM harness connector. Measure voltage under specified conditions. See Fig 1. Voltages should be as specified.