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DTC P1500 - Generator Fr Terminal Circuit Malfunction

NOTE: For terminal identification, see TERMINAL IDENTIFICATION in SELF-DIAGNOSTICS section. For circuit and wire color identification, see WIRING DIAGRAMS - 2.4L article.
  1. With generator field connector connected. Check voltage between ground and field connector terminal No. 4. Ensure radiator fan is off. In sequence, turn headlights, stoplights and rear defogger switch on and then off. Voltage should drop .2-3.5 volts with accessory on. If voltage is not as specified, go to next step. If voltage is as specified, replace PCM.
  2. Disconnect generator field connector. Turn ignition on. Check voltage between ground and field connector terminal No. 4. If voltage is 4.8-5.2 volts, check field connector, and wiring harness between PCM and field connector. If connector and wiring are okay, replace generator. If voltage is not as specified, check PCM connector, junction connector and wiring harness between PCM and field connector. If wiring and connectors are okay, replace PCM.
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