Luggage Compartment Door Closer System

ENGINE HOOD / DOOR: LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM: TERMINALS OF ECU

1. CHECK LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)





(a) Disconnect the LA, LD, and LG junction block connectors.

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





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

(c) Reconnect the LA, LD, and LG junction block connectors.

(d) 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.

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





Waveform 1 (Reference):





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





Waveform 2 (Reference):





(g) Using an oscilloscope, check the waveform 3.





Waveform 3 (Reference):





(h) Using an oscilloscope, check the waveform 4.





Waveform 4 (Reference):