Wireless Door Lock Control System (w/ Smart Key System)

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (w/ Smart Key System): TERMINALS OF ECU

1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY, 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.





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

(d) Install the main body ECU Installation.

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





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

(g) Using an oscilloscope, check waveform 1.









(h) Using an oscilloscope, check waveform 2.









(i) Using an oscilloscope, check waveform 3.









(j) Using an oscilloscope, check waveform 4.









(k) Using an oscilloscope, check waveform 5.









(l) Using an oscilloscope, check waveform 6.









(m) Using an oscilloscope, check waveform 7.









(n) Using an oscilloscope, check waveform 8.









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.





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

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

(e) Measure the resistance according to the value(s) in the table below.





(f) If the result is not as specified, the multiplex network door ECU (back door P/W) may have a malfunction.

(g) Using an oscilloscope, check waveform 1.









(h) Using an oscilloscope, check waveform 2.









3. CHECK CERTIFICATION ECU





(a) Disconnect the F79 ECU 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 F79 ECU connector.

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





* If the result is not as specified, the certification ECU may have a malfunction.