system NISSAN TERRANO 2004 Service Repair Manual

STARTING & CHARGING SYSTEMSSECTION
SC
CONTENTS
PRECAUTIONS ...............................................................2
Supplemental Restraint System (SRS) ²AIR
BAG² and²SEAT BELT PRE-TENSIONER² ...............2
Wiring Diagrams and Trouble Diagnoses....................2
BATTERY ........................................................................\
.3
How to Handle Battery ................................................3
Battery Test and Charging Chart .................................6
STARTING SYSTEM .....................................................13
System Description ....................................................13
Wiring Diagram - START -.........................................14
Trouble Diagnoses.....................................................16
Construction ...............................................................17
Magnetic Switch Check .............................................19
Pinion/Clutch Check ..................................................19
Brush Check ..............................................................20 Field Coil Check ........................................................20
Armature Check .........................................................21
Assembly ...................................................................22
CHARGING SYSTEM ....................................................23
System Description ....................................................23
Wiring Diagram - CHARGE -.....................................24
Trouble Diagnoses.....................................................26
Construction ...............................................................27
Disassembly...............................................................28
Inspection...................................................................28
Assembly ...................................................................29
SERVICE DATA AND SPECIFICATIONS (SDS) ..........30
Battery........................................................................\
30
Starter ........................................................................\
30
Alternator ...................................................................30
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Supplemental Restraint System (SRS) ªAIR
BAGº and ªSEAT BELT PRE-TENSIONERº
The Supplemental Restraint System such as ªAIR BAGº and ªSEAT BELT PRE-TENSIONERº used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to NISSAN MODEL R20 is as follows (The compo-
sition varies according to the destination and optional equipment.):
IFor a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steer-
ing wheel), front passenger air bag module (located on the instrument panel on passenger side), front seat
belt pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
I For a side collision
The Supplemental Restraint System consists of front side air bag module (located in the outer side of front
seat), side air bag (satellite) sensor, diagnosis sensor unit (one of components of air bags for a frontal
collision), wiring harness, warning lamp (one of components of air bags for a frontal collision).
Information necessary to service the system safely is included in the RS sectionof this Service Manual.
WARNING:
I To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance should be per-
formed by an authorized NISSAN dealer.
I Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the RS section.
I Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow harness connector.
Wiring Diagrams and Trouble Diagnoses
When you read wiring diagrams, refer to the following:
IGI section, ªHOW TO READ WIRING DIAGRAMSº
I EL section, ªPOWER SUPPLY ROUTINGº for power distribution circuit
When you perform trouble diagnoses, refer to the following:
I GI section, ªHOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSESº
I GI section, ªHOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENTº
PRECAUTIONS
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System Description
M/T MODELS
Power is supplied at all times
Ithrough 40A fusible link (letter C, located in the fuse and fusible link box)
I to ignition switch terminal 1.
With the ignition switch in START position, power is supplied
I from ignition switch terminal 4
I to starter motor harness connector terminal 1.
The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the engine
starts.
A/T MODELS
Power is supplied at all times
I through 40A fusible link (letter C, located in the fuse and fusible link box)
I to ignition switch terminal 1.
With the ignition switch in the START position, power is supplied
I from ignition switch terminal 4
I to park/neutral position relay terminal 5.
With the ignition switch ON or START position, power is supplied
I through 10A fuse [No. 8, located in the fuse block (J/B)]
I to park/neutral position (PNP) switch terminal 1.
With the selector lever in the P or N position, ground is supplied
I to park/neutral position switch terminal 2 through the park/neutral position relay terminals 2 and 1
I from body grounds M754 and M33.
Then park/neutral position relay is energized and power is supplied
I from park/neutral position relay terminal 3
I to starter motor harness connector terminal 1.
The starter motor plunger closes and provides a closed circuit between the battery and starter motor. The
starter motor is grounded to the engine block. With power and ground supplied, cranking occurs and the engine
starts.
STARTING SYSTEM
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Wiring Diagram Ð START Ð
TD27Ti ENGINE MODELS
YEL053D
STARTING SYSTEM
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ZD30DDTi ENGINE MODELS
YEL054D
STARTING SYSTEM
Wiring Diagram Ð START Ð (Cont'd)SC-15
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Trouble Diagnoses
If any malfunction is found, immediately disconnect ground battery cable.
SEL761W
STARTING SYSTEM
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Construction
MEL440H
MEL701P
STARTING SYSTEM
SC-17
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YEL350D
STARTING SYSTEM
Construction (Cont'd)SC-18
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Magnetic Switch Check
Magnetic Switch Check
IBefore starting to check, disconnect battery ground cable.
I Disconnect ªMº terminal of starter motor.
1. Continuity test (between ªSº terminal and switch body). I No continuity ... Replace.
2. Continuity test (between ªSº terminal and ªMº terminal). I No continuity ... Replace.
Pinion/Clutch Check
1. Check to see if pinion locks in one direction and rotates
smoothly in the opposite direction.
I If it does not lock (or locks) in either direction or unusual
resistance is evident ... Replace.
2. Check pinion movement I If it is hard to move, apply grease or, if necessary, replace.
3. Check ball bearing. Spin outer race of ball bearing to ensure that it turns smoothly
without binding.
I Abnormal resistance ... Replace.
SEL555E
SEL556E
YEL546D
YEL547D
YEL548D
STARTING SYSTEM
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4. Inspect pinion teeth.I Replace pinion if teeth are worn or damaged. (Also check
condition of ring gear teeth.)
5. Inspect reduction gear teeth. I Replace reduction gear if teeth are worn of damaged.
(Also check condition of armature shaft gear teeth.)
Brush Check
BRUSH
Check wear of brush.
Wear limit length:Refer to SDS (SC-30).
I Excessive wear ... Replace.
BRUSH HOLDER
1. Perform insulation test between brush holder (positive side)
and its base (negative side).
I Continuity exists ... Replace.
2. Check brush to see if it moves smoothly. I If brush holder is bent, replace it; if sliding surface is dirty,
clean.
Field Coil Check
1. Continuity test (between field coil positive terminal and positive
brushes).
I No continuity ... Replace field coil.
2. Insulation test (between field coil positive terminal and yoke). I Continuity exists ... Replace field coil.
SEL014Z
YEL549D
YEL550D
SEL103E
STARTING SYSTEM
Pinion/Clutch Check (Cont'd)
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