Infiniti QX56 (JA60). Manual - part 763

PWC-64

< ECU DIAGNOSIS >

POWER WINDOW MAIN SWITCH

Fail Safe

INFOID:0000000005147242

FAIL-SAFE CONTROL

Switches to fail-safe control when malfunction is detected in encoder signal that detects up/down speed and

direction of door glass. Switches to fail-safe control when error beyond regulation value is detected between

the fully closed position and the actual position of the glass.

ABKIA0172GB

POWER WINDOW MAIN SWITCH

PWC-65

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

It changes to condition before initialization and the following functions do not operate when switched to fail-

safe control.

• Auto-up operation

• Anti-pinch function

• Retained power function

Perform initial operation to recover when switched to fail-safe mode. However, it switches back to fail-safe

control when malfunction is found in power window switch or in motor.

Error

Error condition

Pulse sensor malfunction

When only one side of pulse signal is being detected for more than the specified value.

Both pulse sensors mal-
function

When both pulse signals have not been detected for more than the specified value during glass open/
close operation.

Pulse direction malfunction

When the pulse signal that is detected during glass open/close operation detects the opposite condition 
of power window motor operating direction.

Glass recognition position 
malfunction 1

When it detects the error between glass fully closed position in power window switch memory and actual 
fully closed position during glass open/close operation is more than the specified value.

Glass recognition position 
malfunction 2

When it detects pulse count more than the value of glass full stroke during glass open/close operation.

Malfunction of not yet up-
dated closed position of 
glass

When glass open/close operation is continuously performed without fully closing more than the specified 
value (approximately 10 strokes).

PWC-66

< ECU DIAGNOSIS >

FRONT POWER WINDOW SWITCH

FRONT POWER WINDOW SWITCH

Reference Value 

INFOID:0000000005147243

TERMINAL LAYOUT

PHYSICAL VALUES

POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH

LIIA2454E

Terminal No.

(Wire color)

Description

Condition

Voltage [V]

(Approx.)

+

–

Signal name

Input/

Output

3

(W/B)

Ground

Encoder ground

—

—

0

4

(G/R)

Ground

Encoder power supply

Output

When ignition switch ON or 
power window timer operates

10

8

(L)

9

Power window motor
UP signal

Output

When power window motor is
UP at operated.

 Battery voltage

9

(G)

8

Power window motor 
DOWN signal

Output

When power window motor is
DOWN at operated.

Battery voltage

10

(W/R)

Ground

Battery power supply

Input

—

Battery voltage

11

(B)

Ground

Ground

—

—

0

12

(G/Y)

3

Encoder pulse signal 1

Input

When power window motor op-
erates.

JMKIA0070GB

FRONT POWER WINDOW SWITCH

PWC-67

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

15

(G/W)

3

Encoder pulse signal 2

Input

When power window motor op-
erates.

16

(LG/W)

Ground

Power window serial link

Input/

Output

IGN SW ON or power window 
timer operating.

Terminal No.

(Wire color)

Description

Condition

Voltage [V]

(Approx.)

+

–

Signal name

Input/

Output

JMKIA0070GB

JPMIA0013GB