mxu 500 irs efi Manuale-dofficina : Pagina 361

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Pagina 360

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Pagina 363

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          17. BATTERY/CHARGING SYSTEM                                                    MXU 500 IRS


 Measure the resistance between each Yellow
 wire terminals.
 Standard: 0.10.3  (20C/68F)

 Check for continuity between each Yellow
 wire terminal of the alternator side connector
 and ground.
 There should be no continuity.

 Replace the alternator stator if resistance is
 out of specification, or if any wire has
 continuity to ground.




                                                     Regulator/Rectifier
 REGULATOR/RECTIFIER

 WIRE HARNESS INSPECTION

 Disconnect the regulator/rectifier connectors.
 Check the connectors for loose contacts of
 corroded terminals.




                                                  Regulator/Rectifier Connectors



 Battery line

 Measure the voltage between the Red/White
 wire terminal and ground.
 There should be battery voltage at all times.

 Voltage feedback line

 Measure the voltage between the black wire
 terminal and ground.
 There should be battery voltage with the
 ignition switch "ON", and no voltage with the
 ignition switch "OFF".

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