6D81G11
ELEC
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Electrical systems
Special service tools .....................................................................................8-1
Checking the electrical components............................................................8-2
Measuring the peak voltage ......................................................................8-2
Measuring the lower resistance.................................................................8-2
Electrical components...................................................................................8-3
Port view....................................................................................................8-3
Starboard view...........................................................................................8-4
Bow view ...................................................................................................8-5
Top view ....................................................................................................8-6
Ignition and ignition control system ............................................................8-7
Checking the ignition spark .......................................................................8-7
Checking the spark plug wires...................................................................8-7
Checking the ignition coils .........................................................................8-7
Checking the ECM.....................................................................................8-8
Checking the pulser coils...........................................................................8-8
Checking the sensor assembly..................................................................8-8
Checking the cooling water temperature sensor .......................................8-9
Checking the oil pressure switch ...............................................................8-9
Checking the shift position switch..............................................................8-9
Checking the main and fuel pump relay (main control) ...........................8-10
Fuel control system .....................................................................................8-10
Checking the injectors .............................................................................8-10
Checking the electric fuel pump ..............................................................8-10
Checking the main and fuel pump relay (fuel control) .............................8-11
Starting system ............................................................................................8-11
Checking the fuses ..................................................................................8-11
Checking the starter relay........................................................................8-11
Starter motor ................................................................................................8-13
Disassembling the starter motor..............................................................8-15
Checking the starter motor pinion............................................................8-15
Checking the armature ............................................................................8-15
Checking the brushes..............................................................................8-16
Checking the magnet switch.................................................................... 8-16
Checking the starter motor operation ......................................................8-16
Charging system..........................................................................................8-16
Checking the stator coil ...........................................................................8-16
Checking the Rectifier Regulator.............................................................8-17
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