Pinout Values and Diagnostic Parameters

VF4BM TRANSFER / 4WD / AWD: TRANSFER SYSTEM: TERMINALS OF ECU

1. CHECK FOUR WHEEL DRIVE CONTROL ECU





(a) Measure the voltage and resistance according to the value(s) in the table below.









(b) Using an oscilloscope, check waveform 1.





Waveform 1 (Reference)





Text in Illustration





HINT
The waveform varies depending on the CAN communication signal.

(c) Using an oscilloscope, check waveform 2.





Waveform 2 (Reference)





Text in Illustration





HINT
The waveform varies depending on the CAN communication signal.