Ce-niehoff-co C802/C802D/C820 Troubleshooting Guides Manual de usuario descargar pdf (Pagina 6)

Page 6

TG0004E

Section 3: Advanced Troubleshooting

Chart 1 – C802 – No Air-Conditioning/NO ALT OUTPUT Light On

(CONT’D)

Yes

Connect DMM red lead to D+ (or P) terminal on regulator. Connect black lead

to alternator B– terminal.

At D+ terminal – is regulator setpoint voltage present?

At P terminal – is 12 V to 18 V present?

Stop engine. Alternator is good.

Check vehicle wiring.

Yes

Stop engine. Unplug alternator-to-regulator harness. Set DMM to Diode Test.

Connect DMM red lead to socket D on alternator-to-regulator harness plug.

Connect red lead to alternator B+ terminal. Does continuity exist?

Regulator is defective.

Go to Chart 3, page 8.

Yes

With engine running, verify operation of charging system. Is regulator setpoint voltage present?

Go to Chart 2, page 7.

Figure 5 – 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 6