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Differential Lock: Testing and Inspection





AXLE AND DIFFERENTIAL: DIFFERENTIAL SYSTEM: TERMINALS OF ECU

1. CHECK 4WD 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 1.





Waveform 2 (Reference)





Text in Illustration





HINT
The waveform varies depending on the CAN communication signal.