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DTC P1298: ELECTRICAL LOAD DETECTOR (ELD) HIGH VOLTAGE INPUT Honda CR-V I

Testing & Diagnostics ~216 words
  1. Perform PCM reset procedure. See «PCM RESET PROCEDURE/CLEARING DTCS»(ref-16284-S05371059252001010800000). Start engine and turn headlights on. If DTC P1298 is indicated, go to next step. If DTC P1298 is not indicated, problem is intermittent, system is okay at this time. Check for poor connections or loose wires between at ELD and PCM connectors. See the «WIRING DIAGRAMS»(ref-16319) article.
  2. Turn ignition and headlights off. Disconnect ELD 3-pin connector. Check for continuity between ground and ELD connector terminal No. 2 (Black wire). (Схема №8) If continuity exists, go to next step. If continuity does not exist, repair open in wire between ELD and ground connection.
  3. Check for continuity between ELD connector terminal No. 2 (Green/Red wire) and PCM 16-pin connector "D" terminal D16. (Схема №2)and (Схема №8). If continuity exists, go to next step. If continuity does not exist, repair open in wire between PCM connector terminal D16 and ELD. See the «WIRING DIAGRAMS»(ref-16319) article.
  4. Reconnect ELD 3-pin connector. Start engine and allow it to idle. Measure voltage between PCM connector terminals A9 (Brown/Black wire) and D16 (Green/Red wire). While measuring voltage, turn headlights on. If voltage does not decrease, replace ELD. If voltage decreases, substitute a known-good PCM and recheck. If symptom or problem goes away, replace original PCM.

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