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System DescriptionNJSC0004M/T MODELSNJSC0004S01Power is supplied at all times
+through 40A fusible link (letterB, located in the fuse and fusible link box)
+to ignition switch terminal 1.
With the ignition switch in START position, power is supplied
+from ignition switch terminal 5
+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 MODELSNJSC0004S02Power is supplied at all times
+through 40A fusible link (letterB, located in the fuse and fusible link box)
+to ignition switch terminal 1.
With the ignition switch in the START position, power is supplied
+from ignition switch terminal 5
+to park/neutral position relay terminal 5.
With the ignition switch ON or START position, power is supplied
+through 10A fuse [No. 20, located in the fuse block (J/B)]
+to park/neutral position (PNP) relay terminal 1.
With the selector lever in the P or N position, ground is supplied
+to park/neutral position relay terminal 2 through the park/neutral position switch
+from body grounds, F9 and F10.
Then park/neutral position relay is energized and power is supplied
+from park/neutral position relay terminal 3
+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
System Description
SC-13
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Wiring Diagram Ð START ÐNJSC0005
YEL771C
STARTING SYSTEM
Wiring Diagram Ð START Ð
SC-14
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Trouble DiagnosesNJSC0018If any abnormality is found, immediately disconnect battery negative terminal.
SEL761W
STARTING SYSTEM
Trouble Diagnoses
SC-15
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ConstructionNJSC0006
MEL674E
SEL027UC
STARTING SYSTEM
Construction
SC-16
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MEL673E
MEL136LB
STARTING SYSTEM
Construction (Cont'd)
SC-17
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MEL946N
NEL791
STARTING SYSTEM
Construction (Cont'd)
SC-18
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SEL909TA
Removal and InstallationNJSC0007REMOVALNJSC0007S011. Remove intake air duct and air cleaner assembly.
2. Disconnect starter harness.
3. Remove starter bolts (two).
4. Remove starter.
MEL137L
INSTALLATIONNJSC0007S02To install, reverse the removal procedure.
MEL949N
InspectionNJSC0019MAGNETIC SWITCH CHECKNJSC0019S01+Before starting to check, disconnect battery ground cable.
+Disconnect ªMº terminal of starter motor.
1. Continuity test (between ªSº terminal and switch body).
+No continuity ... Replace.
2. Continuity test (between ªSº terminal and ªMº terminal).
+No continuity ... Replace.
MEL139L
PINION/CLUTCH CHECKNJSC0019S021. Inspect pinion teeth.
+Replace pinion if teeth are worn or damaged. (Also check
condition of ring gear teeth.)
2. Inspect reduction gear teeth (If equipped).
+Replace reduction gear if teeth are worn or damaged. (Also
check condition of armature shaft gear teeth.)
3. Check to see if pinion locks in one direction and rotates
smoothly in the opposite direction.
+If it locks or rotates in both directions, or unusual resistance is
evident. ... Replace.
STARTING SYSTEM
Removal and Installation
SC-19
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SEL014Z
BRUSH CHECKNJSC0019S03BrushNJSC0019S0301Check wear of brush.
Wear limit length:
Refer to SDS (SC-34).
+Excessive wear ... Replace.
SEL015Z
Brush Spring CheckNJSC0019S0302Check brush spring pressure with brush spring detached from
brush.
Spring pressure (with new brush):
Refer to SDS (SC-34).
+Not within the specified values ... Replace.
SEL016Z
Brush HolderNJSC0019S03031. Perform insulation test between brush holder (positive side)
and its base (negative side).
+Continuity exists. ... Replace.
2. Check brush to see if it moves smoothly.
+If brush holder is bent, replace it; if sliding surface is dirty,
clean.
STARTING SYSTEM
Inspection (Cont'd)
SC-20