Window Defogger System

WINDSHIELD / WINDOWGLASS: WINDOW DEFOGGER SYSTEM: TERMINALS OF ECU

1. CHECK FRONT CONTROLLER





(a) Disconnect the A50 and A52 front controller 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 front controller connectors.

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





* If the result is not as specified, the front controller 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





(a) Disconnect the L132 display connector.

(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.