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

Testing & Diagnostics ~319 words
  1. Perform PCM reset procedure. See SELF-DIAGNOSTICS - INTRODUCTION article. 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 at ELD and PCM connectors. See appropriate wiring diagram in WIRING DIAGRAMS article.
  2. Turn ignition and headlights off. Disconnect ELD 3-pin connector. Turn ignition on. Measure voltage between ground and ELD harness connector terminal No. 1 (Black/White wire). (Схема №9) If battery voltage exists, go to next step. If battery voltage does not exist, repair open or short in Black/White wire between ELD and No. 15 ALTERNATOR SP SENSOR (7.5-amp) fuse located in underdash fuse/relay box.
  3. Check for continuity between ground and ELD harness connector terminal No. 2 (Black wire). (Схема №9) If continuity exists, go to next step. If continuity does not exist, repair open in Black wire between ELD and ground connection G402 located behind right side kick panel above PCM.
  4. Using backprobe set, check for continuity between ELD harness connector terminal No. 3 (Green/Red wire) and PCM 32-pin connector "A" terminal No. 30 (Green/Red wire). (Схема №1)and (Схема №9). If continuity exists, go to next step. If continuity does not exist, repair open in Green/Red wire between PCM 32-pin connector "A" and ELD. See appropriate wiring diagram in WIRING DIAGRAMS article.
  5. Reconnect ELD 3-pin connector. Start engine and allow it to idle. Using backprobe set, measure voltage between PCM 32-pin connector "A" terminal No. 30 (Green/Red wire) and PCM 25-pin connector "B" terminal No. 20 (Brown/Black wire). (Схема №1)and (Схема №2). While measuring voltage, turn headlights on low. If voltage does not decrease, replace ELD. If voltage decreases, substitute a known-good PCM and recheck. See SUBSTITUTING PCM in SELF-DIAGNOSTICS - INTRODUCTION article. If symptom or problem goes away, replace original PCM.

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