RAV4 4WD L4-2.4L (2AZ-FE) (2007)
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Control Module: Testing and Inspection
TERMINALS OF ECU
1. CHECK 4WD CONTROL ECU
(a)
Measure the voltage and resistance of the connector.
If the result is not as specified, the 4WD control ECU may have a malfunction.
Waveform 1 (Reference)
(b) Using an oscilloscope, check the waveform 1.