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DTC P1500 - Generator Fr Terminal Circuit Failure

NOTE: For component terminal identification, see TERMINAL IDENTIFICATION  in this article. For wiring diagrams, see WIRING DIAGRAMS article.
  1. Manufacturer does not provide component testing procedure. Check generator output. If generator is faulty, replace generator. If generator is okay, go to next step.
  2. Turn ignition switch to OFF position. Disconnect generator connector. Disconnect PCM connector. Using DVOM, check continuity between generator connector terminal No. 1 and PCM connector terminal No. 33. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.
  3. Check continuity between generator connector terminal No. 4 and PCM connector terminal No. 41. If continuity does not exist, repair wiring harness as necessary. If continuity exists, go to next step.
  4. Turn ignition switch to ON position. Check voltage between chassis ground and generator connector terminal No. 4. If voltage is not 4.2-5.2 volts, replace PCM. If voltage is as specified, condition required to set DTC is not present at this time. Go to next step.
  5. Test is complete. Intermittent problem may exist. Road test vehicle (if necessary) and attempt to duplicate conditions that caused original complaint. Recheck for DTCs. If no DTCs are displayed, go to INTERMITTENT DTCS  .
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