Ce-niehoff-co C802/C802D/C820 Troubleshooting Guides Manual de usuario descargar pdf (Pagina 8)

Page 8

TG0004E

(CONT’D)

Section 3: Advanced Troubleshooting

Repair vehicle circuit to IGN terminal. Vehicle

charging circuit test is complete.

Set DMM to diode test. Connect black lead of DMM to B+ terminal on alternator. Connect

red lead to socket D on harness plug. DMM should read voltage drop. Reverse leads. DMM

should read OL.

Check continuity of thermal switch inside rectifier

housing assembly: Remove anti-drive end duct

housing on alternator. With DMM, check continuity

between socket D on harness plug and diode

shown in Figure 8 below. Does continuity exist?

Yes

Alternator is

defective.

Chart 3 – C802 – Continuation of Chart 1 or 2 as Noted

Thermal switch

in control unit

is defective.

Figure 8 – Diode Arrangement inside Anti-Drive End Housing

USE THIS DIODE

Figure 7 – Alternator-to-Regulator Harness Plug

SOCKET CONNECTIONS

Socket A B–

Socket B Field +

Socket C Field –

Socket D AC

Socket E B+

1 2 3 4 5 6 7 8 9 10

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Ce-niehoff-co C802/C802D/C820 Troubleshooting Guides Manual de usuario Pagina 8