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Power Windows: Overview Infiniti I30 I

Windows 6 illustrations

DESCRIPTION & OPERATION

Power windows are part of the vehicle multiplex control system. Power window switches are integrated into Local Control Units (LCUs). LCUs are located in each door. The LCUs output power to operate motors, which raise and lower window.

When operating passenger's power windows from driver's master switch, LCU01 (located in driver's door) sends digital signals to all other LCUs, which in turn operate the appropriate power window motor.

WIRE COLOR ABBREVIATIONS

AbbreviationColor
BBlack
GGreen
LBlue
PPink
RRed
(1) Listed wire color abbreviations are used in the following system tests.
(1)Listed wire color abbreviations are used in the following system tests.

WIRE COLOR ABBREVIATIONS (1)

Scheme 1

Scheme 1: DIAGNOSTIC PROCEDURE 1 : IGNITION SWITCH ON SIGNAL CHECK

Scheme 2

Scheme 2: DIAGNOSTIC PROCEDURE 2: POWER WINDOW LOCK SWITCH CHECK

Scheme 3

Scheme 3: DIAGNOSTIC PROCEDURE 3: POWER WINDOW MAIN SWITCH CHECK

Scheme 4

Scheme 4: DIAGNOSTIC PROCEDURE 4: POWER WINDOW SUB-SWITCH CHECK

Scheme 5

Scheme 5: DIAGNOSTIC PROCEDURE 5: POWER WINDOW REGULATOR CHECK

Scheme 6

Scheme 6: DIAGNOSTIC PROCEDURE 6: POWER WINDOW AUTOMATIC SWITCH CHECK