Infiniti G37 Coupe. Manual - part 1034

 

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Infiniti G37 Coupe. Manual - part 1034

 

 

POWER WINDOW SUB-SWITCH

PWC-77

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

JCKWA0655GB

PWC-78

< ECU DIAGNOSIS >

POWER WINDOW SUB-SWITCH

Fail Safe

INFOID:0000000001694048

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.

JCKWA0656GB

POWER WINDOW SUB-SWITCH

PWC-79

< 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
• Automatic window adjusting 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 malfunc-
tion

When the pulse signal that is detected during glass open/close operation detects the opposite con-
dition 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 opera-
tion.

Malfunction of not yet up-
dated closed position of 
glass

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

PWC-80

< SYMPTOM DIAGNOSIS >

NONE OF THE POWER WINDOWS CAN BE OPERATED USING ANY SWITCH

SYMPTOM DIAGNOSIS

NONE OF THE POWER WINDOWS CAN BE OPERATED USING ANY
SWITCH

Diagnosis Procedure

INFOID:0000000001694052

1.

CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.
Refer to 

PWC-12, "BCM : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT

Check power window switch power supply and ground circuit.
Refer to 

PWC-12, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK POWER WINDOW MAIN SWITCH SERIAL LINK CIRCUIT

Check power window serial link circuit.
Refer to 

PWC-30, "POWER WINDOW MAIN SWITCH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CONFIRM THE OPERATION

Confirm the operation again.
Is the result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> GO TO 1.

 

 

 

 

 

 

 

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