Smart Access System With Push-Button Start

DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK CERTIFICATION ECU





(a) Disconnect the L15 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the L15 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the ECU may have a malfunction.
2. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)





(a) Disconnect the DA, DD, DF, L11, L12, L13 and A68 ECU connectors.
(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
3. CHECK FRONT DOOR ECU LH





(a) Disconnect the N10 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the N10 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





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






(e) Using an oscilloscope, check the waveform 1.










(f) Using an oscilloscope, check the waveform 2.






4. CHECK FRONT DOOR ECU RH





(a) Disconnect the N1 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the N1 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





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






(e) Using an oscilloscope, check the waveform 1.










(f) Using an oscilloscope, check the waveform 2.






5. CHECK REAR DOOR ECU LH





(a) Disconnect the O14 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the O14 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





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






(e) Using an oscilloscope, check the waveform 1.










(f) Using an oscilloscope, check the waveform 2.






6. CHECK REAR DOOR ECU RH





(a) Disconnect the O3 ECU connector.
(b) Measure the resistance and voltage according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the O3 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





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






(e) Using an oscilloscope, check the waveform 1.










(f) Using an oscilloscope, check the waveform 2.






7. CHECK POWER TRUNK LID CONTROL ECU





(a) Disconnect the S43 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.





If the result is not as specified, the wire harness side may have a malfunction.
(c) Reconnect the S43 ECU connector.
(d) Measure the voltage according to the value(s) in the table below.





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






(e) Using an oscilloscope, check the waveform 1.










(f) Using an oscilloscope, check the waveform 2.