Exterior Lighting System

LIGHTING (EXT): LIGHTING 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 resistance and voltage according to the value(s) in the table below.





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

(d) Install the main body ECU Removal.

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





* *: w/ Automatic Light Control System

(f) If the result is not as specified, the main body ECU may have a malfunction.

(1) Waveform 1









HINT
If the ambient light becomes brighter, width A becomes narrower.