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DTC P1298 - ELECTRICAL LOAD DETECTOR (ELD) Honda Odyssey I

Testing & Diagnostics ~199 words
  1. Perform PCM reset procedure. See «PCM RESET PROCEDURE/CLEARING CODES»(ref-16063-S24481449252001010800000). Start engine and turn headlights on. If DTC P1298 is not indicated, system is okay at this time. Failure is intermittent. Check for poor connections or loose wires at ELD and PCM connectors. See «WIRING DIAGRAMS»(ref-16063-S09829279722001010800000) section. If DTC P1298 is indicated, turn ignition and headlights off.
  2. Disconnect ELD connector. Check for continuity between ELD connector terminal No. 1 (GND) and ground. (Схема №8) If continuity does not exist, repair open in wire between ELD and ground. See «WIRING DIAGRAMS»(ref-16063-S09829279722001010800000) section. If there is continuity, reconnect ELD connector and go to step 4).
  3. Check for continuity between ELD connector terminal No. 3 (EL) and PCM connector terminal D16. (Схема №4) If continuity exists, reconnect ELD and go to next step. If continuity does not exist, repair open in wire between PCM terminal D16 and ELD. See «WIRING DIAGRAMS»(ref-16063-S09829279722001010800000) section.
  4. Start engine and allow it to idle. While measuring voltage between PCM terminals A9 and D16, turn headlights on. If voltage does not drop, replace ELD. If voltage drops, substitute a known-good PCM and recheck. If symptom or problem goes away, replace original PCM.

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