Theft Deterrent System

THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM: TERMINALS OF ECU

1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)





(a) Remove the main body ECU Removal.

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





If the result is not as specified, there may be a malfunction in the wire harness side.

(c) Install the main body ECU Installation.

(d) Measure the voltage according to the value(s) in the table below.









If the result is not as specified, the main body ECU or driver side junction block assembly may have a malfunction.

(e) Using an oscilloscope, check waveform 1.





Waveform 1 (Reference)





(f) Using an oscilloscope, check waveform 2.





Waveform 2 (Reference)





(g) Using an oscilloscope, check waveform 3.





Waveform 3 (Reference)





(h) Using an oscilloscope, check waveform 4.





Waveform 4 (Reference)





(i) Using an oscilloscope, check waveform 5.





Waveform 5 (Reference)





(j) Using an oscilloscope, check waveform 6.





Waveform 6 (Reference)





(k) Using an oscilloscope, check waveform 7.





Waveform 7 (Reference)





(l) Using an oscilloscope, check waveform 8.





Waveform 8 (Reference)





(m) Using an oscilloscope, check waveform 9.





Waveform 9 (Reference)





(n) Using an oscilloscope, check waveform 10.





Waveform 10 (Reference)





(o) Using an oscilloscope, check waveform 11.





Waveform 11 (Reference)





(p) Using an oscilloscope, check waveform 12.





Waveform 12 (Reference)





(q) Using an oscilloscope, check waveform 13.





Waveform 13 (Reference)





(r) Using an oscilloscope, check waveform 14.





Waveform 14 (Reference)





(s) Using an oscilloscope, check waveform 15.





Waveform 15 (Reference)





(t) Using an oscilloscope, check waveform 16.





Waveform 16 (Reference)





(u) Using an oscilloscope, check waveform 17.





Waveform 17 (Reference)





(v) Using an oscilloscope, check waveform 18.





Waveform 18 (Reference)





(w) Using an oscilloscope, check waveform 19.





Waveform 19 (Reference)





(x) Using an oscilloscope, check waveform 20.





Waveform 20 (Reference)