Infiniti G37 Coupe. Manual - part 914

 

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Infiniti G37 Coupe. Manual - part 914

 

 

MWI-2

COMPASS .........................................................

32

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

32

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

33

Special Repair Requirement ...................................

33

CLOCK ...............................................................

34

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

34

DIAGNOSIS SYSTEM (METER)  .......................

35

Diagnosis Description  .............................................

35

DIAGNOSIS SYSTEM (UNIFIED METER AND 
A/C AMP.)  ..........................................................

37

CONSULT-III Function (METER/M&A) ...................

37

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

41

U1000 CAN COMM CIRCUIT  ............................

41

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

41

DTC Logic ...............................................................

41

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

41

U1010 CONTROL UNIT (CAN)  .........................

42

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

42

DTC Logic ...............................................................

42

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

42

B2201 COMMUNICATION ERROR 1  ...............

43

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

43

DTC Logic ...............................................................

43

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

43

B2202 COMMUNICATION ERROR 2  ...............

45

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

45

DTC Logic ...............................................................

45

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

45

B2205 VEHICLE SPEED  ...................................

47

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

47

DTC Logic ...............................................................

47

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

47

B2267 ENGINE SPEED  .....................................

48

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

48

DTC Logic ...............................................................

48

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

48

B2268 WATER TEMP ........................................

49

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

49

DTC Logic ...............................................................

49

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

49

POWER SUPPLY AND GROUND CIRCUIT  .....

50

COMBINATION METER  ...........................................

50

COMBINATION METER : Diagnosis Procedure  ....

50

UNIFIED METER AND A/C AMP. .............................

50

UNIFIED METER AND A/C AMP. : Diagnosis Pro-
cedure ....................................................................
.

50

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

51

BCM (BODY CONTROL MODULE) : Diagnosis 
Procedure ...............................................................

51

BCM (BODY CONTROL MODULE) : Special Re-
pair Requirement  ....................................................

52

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) ..............................

52

IPDM E/R (INTELLIGENT POWER DISTRIBU-
TION MODULE ENGINE ROOM) : Diagnosis Pro-
cedure .....................................................................

52

FUEL LEVEL SENSOR SIGNAL CIRCUIT  .......

54

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

54

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

54

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

54

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

55

METER CONTROL SWITCH SIGNAL CIR-
CUIT ...................................................................

57

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

57

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

57

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

58

OIL PRESSURE SWITCH SIGNAL CIRCUIT ...

59

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

59

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

59

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

59

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

59

PARKING BRAKE SWITCH SIGNAL CIR-
CUIT ...................................................................

61

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

61

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

61

Diagnosis Procedure (A/T models)  .........................

61

Diagnosis Procedure (M/T models)  ........................

62

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

62

WASHER LEVEL SWITCH SIGNAL CIRCUIT ...

64

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

64

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

64

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

64

COMPASS .........................................................

65

Wiring Diagram - COMPASS - ................................

65

CLOCK ..............................................................

67

Wiring Diagram - CLOCK -  .....................................

67

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

69

COMBINATION METER  ....................................

69

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

69

Wiring Diagram - METER -  .....................................

72

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

81

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

82

UNIFIED METER AND A/C AMP.  .....................

83

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

83

Wiring Diagram - METER -  .....................................

90

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

99

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

100

MWI

MWI-3

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

102

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

102

Wiring Diagram - BCM -  ........................................

125

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

130

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

132

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

134

IPDM E/R (INTELLIGENT POWER DISTRI-
BUTION MODULE ENGINE ROOM)  ...............

136

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

136

Wiring Diagram - IPDM E/R -  ................................

143

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

146

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

148

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

149

THE FUEL GAUGE POINTER DOES NOT 
MOVE ...............................................................

149

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

149

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

149

THE METER CONTROL SWITCH IS INOPER-
ATIVE ...............................................................

150

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

150

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

150

THE OIL PRESSURE WARNING LAMP 
DOES NOT TURN ON ......................................

151

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

151

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

151

THE OIL PRESSURE WARNING LAMP 
DOES NOT TURN OFF  ....................................

152

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

152

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

152

THE PARKING BRAKE RELEASE WARNING 
CONTINUES DISPLAYING, OR DOES NOT 
DISPLAY ..........................................................

153

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

153

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

153

THE LOW WASHER FLUID WARNING CON-
TINUES DISPLAYING, or DOES NOT DIS-
PLAY ................................................................

154

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

154

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

154

THE DOOR OPEN WARNING CONTINUES 
DISPLAYING, OR DOES NOT DISPLAY  ........

155

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

155

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

155

THE TRUNK OPEN WARNING CONTINUES 
DISPLAYING, OR DOES NOT DISPLAY  .......

156

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

156

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

156

THE AMBIENT TEMPERATURE DISPLAY IS 
INCORRECT ...................................................

157

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

157

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

157

NORMAL OPERATING CONDITION  .............

158

COMPASS ...............................................................

158

COMPASS : Description ........................................

158

INFORMATION DISPLAY ........................................

158

INFORMATION DISPLAY : Description  ................

158

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

159

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

159

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

159

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

160

COMBINATION METER  .................................

160

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

160

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

160

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

161

UNIFIED METER AND A/C AMP.  ...................

162

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

162

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

162

METER CONTROL SWITCH  ..........................

163

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

163

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

163

COMPASS .......................................................

164

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

164

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

164

CLOCK ............................................................

165

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

165

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

165

MWI-4

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work flow

INFOID:0000000001606601

OVERALL SEQUENCE

• Reference 1···

MWI-35, "Diagnosis Description"

.

• Reference 2···

MWI-100, "DTC Index"

.

• Reference 3···

MWI-50, "COMBINATION METER : Diagnosis Procedure"

.

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under
which the malfunction occurred.

>> GO TO 2.

2.

CHECK SYMPTOM

JSNIA0542GB

MWI

DIAGNOSIS AND REPAIR WORKFLOW

MWI-5

< BASIC INSPECTION >

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• Check the symptom based on the information obtained from the customer.
• Check that any other malfunctions are present.

>> GO TO 3.

3.

CHECK ON BOARD DIAGNOSIS OPERATION

Check that the on board diagnosis function operates. Refer to 

MWI-35, "Diagnosis Description"

Does the on board diagnosis function operate normally?

YES

>> GO TO 4.

NO

>> GO TO 6.

4.

CHECK CONSULT-III SELF-DIAGNOSIS RESULTS

Connect CONSULT-III and perform “Self Diagnostic Result” of “METER/M&A”. Refer to 

MWI-37, "CONSULT-

III Function (METER/M&A)"

.

Are self-diagnosis results normal?

YES

>> GO TO 5.

NO

>> GO TO 8.

5.

NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.

>> GO TO 8.

6.

CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS

Check combination meter power supply and ground circuits. Refer to 

MWI-50, "COMBINATION METER :

Diagnosis Procedure"

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 8.

7.

REPLACE COMBINATION METER

Replace combination meter.

>> GO TO 9.

8.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace the malfunctioning parts.
NOTICE:
If DTC is displayed, erase DTC after repair or replace malfunctioning parts.

>> GO TO 9.

9.

FINAL CHECK

Check that the combination meter operates normally.

Do they operate normally?

YES

>> INSPECTION END

NO

>> GO TO 1.

 

 

 

 

 

 

 

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