Interior Lighting System

LIGHTING (INT): 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 voltage and resistance 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) Install the main body ECU Installation.

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





* *1: w/ Door Mirror Foot Light

* *2: w/ Inside Handle Illumination

* *3: w/ Interior Foot Light

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

2. CHECK MULTIPLEX NETWORK DOOR ECU





(a) Disconnect the V2 and W10 multiplex network door ECU connectors.

(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 on the wire harness side.

(c) Reconnect the V2 and W10 multiplex network door ECU connectors.

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





(1) Waveform 1









(2) Waveform 2









(3) Waveform 3









(4) Waveform 4