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.

(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)





2. CHECK MULTIPLEX NETWORK DOOR ECU (BACK DOOR P/W)





(a) Disconnect the V2 multiplex network door ECU (back door P/W) connector.

(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.

(c) Reconnect the V2 multiplex network door ECU (back door P/W) connector.

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





* *: w/o Smart Key System

If the result is not as specified, the multiplex network door ECU (back door P/W) 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)