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DTC P1500 - Generator Fr Terminal Circuit Malfunction

NOTE: For component terminal identification, see TERMINAL IDENTIFICATION  in this article. For wiring diagrams, see WIRING DIAGRAMS - 2.0L TURBO article.
  1. With generator field connector connected. Check voltage between ground and field connector terminal No. 4 (Green wire). Start engine. Ensure radiator fan is off. Voltage should be 1.8-2.4 volts (headlights off) and 1.0-1.6 volts (headlights 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 battery voltage exists, check field connector, and wiring harness between PCM and field connector. If connector and wiring are okay, replace generator.
  3. If battery voltage does not exist, 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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