Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2006-2009 Approved TB Nissan Altima 2008 STR

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STR

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ENGINE

SECTION
STARTING SYSTEM
STR STR

E
CONTENTS
QR25DE Special Service Tool ...............................................24
. F
Commercial Service Tool .......................................24
.
BASIC INSPECTION ................................... 3
.
ON-VEHICLE REPAIR ................................ 25
. G
DIAGNOSIS AND REPAIR WORKFLOW ......... 3
.
Work Flow ................................................................ 3
. STARTER MOTOR ........................................... 25
Removal and Installation ........................................25
.
FUNCTION DIAGNOSIS .............................. 6
. Removal and Installation ........................................25
. H

STARTING SYSTEM .......................................... 6
. SERVICE DATA AND SPECIFICATIONS
System Diagram ....................................................... 6
. (SDS) ........................................................... 26
. I
System Description .................................................. 6
.
Component Description ........................................... 7
. STARTER MOTOR ........................................... 26
Starter .....................................................................26
.
COMPONENT DIAGNOSIS ......................... 8
. VQ35DE J

B TERMINAL CIRCUIT ...................................... 8
. BASIC INSPECTION .................................. 27
.
Description ............................................................... 8
.
K
Diagnosis Procedure ................................................ 8
. DIAGNOSIS AND REPAIR WORKFLOW ........ 27
Work Flow ...............................................................27
.
S CONNECTOR CIRCUIT .................................. 9
.
Description ............................................................... 9
. FUNCTION DIAGNOSIS ............................. 30
. L
Diagnosis Procedure ................................................ 9
.
STARTING SYSTEM ......................................... 30
STARTING SYSTEM .........................................10
. System Diagram .....................................................30
.
Wiring Diagram - Coupe ......................................... 10
. M
System Description .................................................30
.
Wiring Diagram - Sedan ......................................... 16
. Component Description .........................................31
.
SYMPTOM DIAGNOSIS ............................. 22
. COMPONENT DIAGNOSIS ........................ 32
. N
STARTING SYSTEM .........................................22
. B TERMINAL CIRCUIT ..................................... 32
Symptom Table ...................................................... 22
. Description ..............................................................32
.
O
Diagnosis Procedure ..............................................32 .
PRECAUTION ............................................. 23
.
S CONNECTOR CIRCUIT ................................. 33
PRECAUTIONS .................................................23
. Description ..............................................................33
. P
Precaution for Supplemental Restraint System Diagnosis Procedure ..............................................33 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ................................................................ 23
. STARTING SYSTEM ......................................... 34
Wiring Diagram - Coupe .........................................34
.
PREPARATION .......................................... 24
. Wiring Diagram - Sedan .........................................40
.
PREPARATION .................................................24
. SYMPTOM DIAGNOSIS ............................. 46
.

Revision: July 2007 STR-1 2008 Altima
STARTING SYSTEM ........................................ 46
. Commercial Service Tool ....................................... 48
.
Symptom Table ..................................................... 46
.
ON-VEHICLE REPAIR ............................... 49
PRECAUTION ............................................ 47
.
STARTER MOTOR ........................................... 49
.
PRECAUTIONS ................................................ 47
. Removal and Installation ........................................ 49
.
Precaution for Supplemental Restraint System Removal and Installation ........................................ 49
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ................................................................ 47
. SERVICE DATA AND SPECIFICATIONS
(SDS) .......................................................... 51
PREPARATION .......................................... 48
.
STARTER MOTOR ........................................... 51
.
PREPARATION ................................................ 48
. Starter .................................................................... 51
.
Special Service Tool .............................................. 48
.

Revision: July 2007 STR-2 2008 Altima
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [QR25DE]

BASIC INSPECTION A
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000001346369
STR

OVERALL SEQUENCE
C

JSBIA0001GB

DETAILED FLOW

Revision: July 2007 STR-3 2008 Altima
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION > [QR25DE]
NOTE:
To ensure a complete and thorough diagnosis, the battery, starter motor and alternator test segments must be
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 (J-44373). For details and operating
instructions, refer to Technical Service Bulletin.
Test result
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.
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.
2.CRANKING CHECK
Check that the starter motor operates properly.
Does the engine crank normally?
YES >> GO TO 3
NO >> GO TO 4
3.ENGINE START CHECK
Check that the engine starts.
Does the engine start?
YES >> Starter motor is OK. Inspection end.
NO >> Perform further diagnosis of engine mechanical or engine control system. Refer to EM and EC
sections. Once resolved, perform battery test again.
4.STARTER MOTOR ACTIVATION
Check that the starter motor operates.
Does the starter motor turn?
YES >> Check ring gear and starter motor drive pinion. Once resolved, perform battery test again.
NO >> GO TO 7
5.COMPARISON BETWEEN ENGINE COOLANT AND CRANKING VOLTAGE
Compare the engine coolant temperature and verify the cranking voltage is within specification.
Minimum Specification of Cranking Voltage Referencing Coolant Temperature
Engine coolant temperature [

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