Smart Access System With Push-Button Start

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

1. CHECK CERTIFICATION ECU





(a) Disconnect the P33 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 P33 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) Inspect using an oscilloscope.





Waveform 1 (Reference):





(f) Inspect using an oscilloscope.





Waveform 2 (Reference):





2. MAIN BODY ECU LH (COWL SIDE JUNCTION BLOCK LH)

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









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