Window Defogger System

WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: TERMINALS OF ECU

1. CHECK FRONT LIGHT ECU (FRONT CONTROLLER)





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





* If the result is not as specified, the front light ECU (front controller) or fuse may have a malfunction.

2. CHECK AIR CONDITIONING AMPLIFIER





(a) Disconnect the L76 and L77 air conditioning amplifier 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.

3. CHECK DISPLAY AND NAVIGATION MODULE DISPLAY (w/ Display and Navigation Module Display)





(a) Disconnect the L59 multi-display connector.

(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.

4. CHECK INTEGRATION CONTROL AND PANEL (w/o Display and Navigation Module Display)





(a) Disconnect the L35 integration control and panel connector.

(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.