Infiniti G37 Coupe. Manual - part 1044

 

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Infiniti G37 Coupe. Manual - part 1044

 

 

RF-1

BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY

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SECTION 

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CONTENTS

ROOF

BASIC INSPECTION  ....................................

3

DIAGNOSIS AND REPAIR WORKFLOW  ..........

3

WorkFlow ..................................................................

3

INSPECTION AND ADJUSTMENT .....................

4

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT  ........................................................
..

4

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT : Description  ................................
..

4

ADDITIONAL SERVICE WHEN REPLACING 
CONTROL UNIT : Special Repair Requirement  .....
..

4

FUNCTION DIAGNOSIS ...............................

5

SUNROOF SYSTEM ...........................................

5

System Diagram .......................................................

5

System Description  ...................................................

5

Component Parts Location ......................................

6

Component Description ............................................

6

DIAGNOSIS SYSTEM (BCM)  .............................

7

COMMON ITEM  ...........................................................

7

COMMON ITEM : CONSULT-III Function (BCM - 
COMMON ITEM) .....................................................
..

7

RETAIND PWR  ............................................................

8

RETAIND PWR : CONSULT-III Function (BCM - 
RETAINED PWR)  ...................................................
..

8

COMPONENT DIAGNOSIS  ..........................

9

POWER SUPPLY AND GROUND CIRCUIT .......

9

BCM .............................................................................

9

BCM : Diagnosis Procedure  ......................................

9

SUNROOF MOTOR ASSEMBLY  ................................

9

SUNROOF MOTOR ASSEMBLY : 
Diagnosis Procedure ..............................................
..

9

SUNROOF SWITCH ..........................................

12

Description ...............................................................

12

Component Function Check ..................................

12

Diagnosis Procedure ..............................................

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Component Inspection .............................................

13

DOOR SWITCH .................................................

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Description ...............................................................

14

Component Function Check ..................................

14

Diagnosis Procedure  ...............................................

14

Component Inspection .............................................

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ECU DIAGNOSIS .........................................

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BCM (BODY CONTROL MODULE)  .................

16

Reference Value ......................................................

16

Wiring Diagram - SUNROOF CONTROL SYS-
TEM - .......................................................................

39

Fail Safe ..................................................................

42

DTC Inspection Priority Chart ...............................

44

DTC Index ...............................................................

46

SUNROOF SYSTEM  .........................................

48

SUNROOF MOTOR ASSEMBLY ..............................

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SUNROOF MOTOR ASSEMBLY : Reference Val-
ue .............................................................................

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SUNROOF MOTOR ASSEMBLY : Wiring Dia-
gram - SUNROOF CONTROL SYSTEM - ...............

49

SYMPTOM DIAGNOSIS  ..............................

53

SUNROOF DOES NOT OPERATE PROPER-
LY ......................................................................

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Diagnosis Procedure  ...............................................

53

AUTO OPERATION DOES NOT OPERATE  ....

54

Diagnosis Procedure  ...............................................

54

DOES NOT STOP FULLY-OPEN OR FULLY-
CLOSED POSITION ..........................................

55

Diagnosis Procedure  ...............................................

55

RF-2

RETAINED POWER OPERATION DOES NOT 
OPERATE PROPERLY  .....................................

56

Diagnosis Procedure  ..............................................

56

SUNROOF DOES NOT OPERATE ANTI-
PINCH FUNCTION .............................................

57

Diagnosis Procedure  ..............................................

57

SQUEAK AND RATTLE TROUBLE DIAG-
NOSES ...............................................................

58

Work Flow ...............................................................

58

Inspection Procedure ..............................................

60

Diagnostic Worksheet .............................................

62

PRECAUTION .............................................

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PRECAUTIONS  .................................................

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Precaution for Supplemental Restraint System 
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ................................................................
.

64

Service Notice  ........................................................

64

Precaution for Work  ................................................

64

PREPARATION ...........................................

65

PREPARATION .................................................

65

Special Service Tool  ...............................................

65

Commercial Service Tool ........................................

65

ON-VEHICLE REPAIR  ...............................

66

SUNROOF UNIT ASSEMBLY  ...........................

66

Exploded View  ........................................................

66

Removal and Installation .........................................

67

Disassembly and Assembly  ....................................

68

GLASS LID  ........................................................

69

Exploded View  ........................................................

69

Removal and Installation .........................................

70

Adjustment ..............................................................

70

SUNROOF MOTOR ASSEMBLY  ......................

72

Exploded View  ........................................................

72

Removal and Installation .........................................

73

SUNSHADE .......................................................

74

Exploded View  ........................................................

74

Removal and Installation .........................................

74

DIAGNOSIS AND REPAIR WORKFLOW

RF-3

< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

WorkFlow

INFOID:0000000001726269

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain the malfunction information (conditions and environment when the malfunc-
tion occurred) as much 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 and then identify where to start per-
forming the diagnosis based on possible causes and symptoms.

>> GO TO 4.

4.

IDENTIFY THE 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.

Are the malfunctions corrected?

YES

>> INSPECTION END

NO

>> GO TO 3.

RF-4

< BASIC INSPECTION >

INSPECTION AND ADJUSTMENT

INSPECTION AND ADJUSTMENT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Description

INFOID:0000000001693817

MEMORY RESET PROCEDURE

1.

Please observe the following instructions at confirming the sunroof operation.
NOTE:
Do not disconnect the electronic power while the sunroof is operating or within 5 seconds after the sunroof
stops (to wipe-out the memory of lid position and operating friction.)

2.

Initialization of system should be conducted after the following conditions.
• When the sunroof motor is changed.
• When the sunroof does not operate normally. (Incomplete initialization conditions)

ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Re-
quirement

INFOID:0000000001693818

INITIALIZATION PROCEDURE

If the sunroof does not close or open automatically, use the following procedure to return sunroof operation to
normal.
1.

Press the tilt up switch and start the tilt up operation.

2.

Release the tilt up switch once, press the tilt up switch again, press and hold the switch until lid pops up.

3.

The glass lid will more toward tilt up direction and will be stopped mechanically, and then it will be auto-
matically fully closed. (press and hold the switch during this operation)

4.

Release the switch again, and press the tilt up switch within the first 10 seconds. (press and hold the
switch)

5.

After 4 seconds, the glass lid will be automatically operated in sequence of tilt down, slide open and slide
close.

6.

After the glass lid stops, release the switch 0.5 second later. (press and hold the switch during this opera-
tion)

7.

If slide switch operates normally, this initialization is done.

ANTI-PINCH FUNCTION

1.

Full open the sunroof.

2.

Place a piece of wood near fully closed position.

3.

Close the sunroof completely with auto-slide close.

Check that sunroof lowers for approximately 150 mm (5.91in) or 2 seconds with out pinching a piece of wood
and stops.

CAUTION:

• Do not check with hands and other part of body because they may be pinched. Do not get pinched.
• Depending on environment and driving conditions, if a similar impact or lord is applied to the sun-

roof it may lower.

• Check that auto-slide operates before inspection when system initialization is performed.
• Perform initial setting when auto-slide operation or anti-pinch function does not operate normally.

 

 

 

 

 

 

 

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