Infiniti QX56 (Z62). Manual - part 1029

PWC-28

< WIRING DIAGRAM >

POWER WINDOW SYSTEM

JCKWM4479GB

POWER WINDOW SYSTEM

PWC-29

< WIRING DIAGRAM >

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JCKWM4480GB

PWC-30

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

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DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much malfunction information (conditions and environment when the mal-
function occurred) as possible when the customer brings the vehicle in.

>> GO TO 2.

2.

REPRODUCE THE MALFUNCTION INFORMATION

Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.

>> GO TO 3.

3.

IDENTIFY THE MALFUNCTIONING SYSTEM WITH “SYMPTOM DIAGNOSIS”

Use “Symptom diagnosis” from the symptom inspection result in step 2. Then identify where to start the diag-
nosis based on possible causes and symptoms.

>> GO TO 4.

4.

IDENTIFY MALFUNCTIONING PARTS WITH “COMPONENT DIAGNOSIS”

Perform the diagnosis with “Component diagnosis” of the applicable system.

>> GO TO 5.

5.

REPAIR OR REPLACE THE MALFUNCTIONING PARTS

Repair or replace the specified malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that malfunctions are not reproduced when obtaining the malfunction information from the customer,
referring to the symptom inspection result in step 2.

Is the malfunctioning part repaired or replaced?

YES

>> Trouble diagnosis is completed.

NO

>> GO TO 3.

ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

PWC-31

< BASIC INSPECTION >

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ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMI-
NAL

Description

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When the battery negative terminal is disconnected, the initialization is necessary for normal operation of
power window system.

CAUTION:

The following specified operations can not be performed under the non-initialized condition.
• Auto-up operation
• Anti-pinch function

Work Procedure

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1.

SYSTEM INITIALIZATION

Perform system initialization. Refer to 

PWC-33, "Work Procedure"

.

>> GO TO 2.

2.

CHECK ANTI-PINCH FUNCTION

Check anti-pinch function. Refer to 

PWC-34, "Work Procedure"

.

>> END