Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G37 2008 Coupe Approved Infiniti G37 Coupe 2008 str

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ENGINE

                                                                                                                                                                   A




                                                                                     SECTION
                                                                                                 STARTING SYSTEM
                                                                                                                STR                                                STR



                                                                                                                                                                   C


                                                                                                                                                                   D


                                                                                                                                                                   E
                                                                  CONTENTS
BASIC INSPECTION ................................... 2
                                                .                                 PRECAUTION ............................................. 13
                                                                                                                                       .                           F

DIAGNOSIS AND REPAIR WORKFLOW ......... 2
                                  .                                               PRECAUTIONS ................................................. 13
  Work Flow ................................................................ 2
                                                                      .             Precaution for Supplemental Restraint System                                   G
                                                                                    (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
FUNCTION DIAGNOSIS .............................. 5
                                             .                                      SIONER" ................................................................13
                                                                                                                                                        .
                                                                                    Precaution for Battery Service ................................13   .
STARTING SYSTEM .......................................... 5
                                                     .                                                                                                             H
  System Diagram ....................................................... 5
                                                                  .               PREPARATION .......................................... 14
                                                                                                                                     .
  System Description .................................................. 5
                                                                  .
  Component Parts Location ....................................... 6
                                                                  .               PREPARATION ................................................. 14                  I
  Component Description ........................................... 6
                                                                  .                 Special Service Tools .............................................14
                                                                                                                                                   .
                                                                                    Commercial Service Tools ......................................14
                                                                                                                                                   .
COMPONENT DIAGNOSIS ......................... 7
                                         .
                                                                                  ON-VEHICLE REPAIR ................................ 15
                                                                                                                                 .                                  J
B TERMINAL CIRCUIT ...................................... 7
                                                    .
  Description ............................................................... 7
                                                                       .          STARTER MOTOR ........................................... 15
  Diagnosis Procedure ................................................ 7
                                                                       .            Exploded View ........................................................15
                                                                                                                                                          .        K
                                                                                    Removal and Installation ........................................16   .
S CONNECTOR CIRCUIT .................................. 8
                                                 .                                  Inspection ...............................................................17
                                                                                                                                                          .
  Description ............................................................... 8
                                                                       .
  Diagnosis Procedure ................................................ 8
                                                                       .          SERVICE DATA AND SPECIFICATIONS                                                  L
                                                                                  (SDS) ........................................................... 18
                                                                                                                                                .
STARTING SYSTEM .......................................... 9
                                                     .
  Wiring Diagram - STARTING SYSTEM - ................. 9
                                                .                                 SERVICE DATA AND SPECIFICATIONS                                                  M
                                                                                  (SDS) ................................................................. 18
SYMPTOM DIAGNOSIS ............................. 12
                                            .
                                                                                    Starter Motor ..........................................................18
                                                                                                                                                        .
STARTING SYSTEM .........................................12
                                                     .                                                                                                             N
  Symptom Table ...................................................... 12
                                                                  .


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Revision: 2007 June                                                        STR-1                                                                 G37 Coupe
                       DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION >
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow                                                INFOID:0000000001665976




OVERALL SEQUENCE




                                                       JSBIA0001GB


DETAILED FLOW

Revision: 2007 June                STR-2                      G37 Coupe
                                  DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION >
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and alternator test segments must be   A
done as a set from start to finish.
1.DIAGNOSIS WITH STARTING/CHARGING SYSTEM TESTER
Perform the starting system test with Starting/Charging System Tester (SST: J-44373). For details and operat- STR
ing instructions, refer to Technical Service Bulletin.
Test result
                                                                                                               C
  CRANKING VOLTAGE NORMAL>>GO TO 2.
  CRANKING VOLTAGE LOW>>GO TO 5.
  CHARGE BATTERY>>Perform the slow battery charging procedure. (Initial rate of charge is 10A for 12
              hours.) Perform battery test again. Refer to Technical Service Bulletin.                         D
  REPLACE BATTERY>>Before replacing battery, clean the battery cable clamps and battery posts. Perform
              battery test again. Refer to Technical Service Bulletin. If second test result is "REPLACE BAT-
              TERY", then do so. Perform battery test again to confirm repair.                                 E
2. CRANKING CHECK
Check that the starter motor operates correctly.
Does the engine crank normally?                                                                                F
 YES >> GO TO 3.
 NO     >> GO TO 4.
                                                                                                               G
3.ENGINE START CHECK
Check that the engine starts.
Does the engine start?                                                                                         H
 YES >> Starter motor is OK. INSPECTION END
 NO     >> Perform further diagnosis of engine mechanical or engine control system. Refer EM and EC sec-
            tions. Once resolved, perform battery test again.                                                  I
4.STARTER MOTOR ACTIVATION
Check that the starter motor operates.
                                                                                                               J
Does the starter motor turn?
 YES >> Check ring gear and starter motor drive pinion. Once resolved, perform battery test again.
 NO     >> GO TO 7.
                                                                                                               K
5.COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE
Compare the engine coolant temperature and the cranking voltage with the specifications.
Minimum Specification of Cranking Voltage Referencing Coolant Temperature
                                                                                                               L
               Engine coolant temperature [



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