C27 and C32 Generator Set Engines Caterpillar


CID 1785 FMI 10 Intake Manifold Pressure Signal abnormal rate of change

Usage:

C27 2A3
Kondisi-kondisi yang mendorong penciptaan kode ini:

Kode ini mengindikasikan bahwa suplai 5 volt tidak ada dari konektor sensor.

Selama pengoperasian engine normal, tekanan intake manifold sedikit berfluktuasi. Saat suplai 5 volt tidak ada dari sensor tekanan intake manifold, sinyal dari sensor tekanan bergerak ke nilai kisaran tengah. Sinyal tidak berfluktuasi. Jika sinyal dari sensor tekanan intake manifold secara abnormal tetap stabil selama lebih dari 30 detik, Modul Kontrol Elektronik (ECM, Electronic Control Module) mengaktifkan kode ini.

Tanggapan:

ECM menggunakan nilai default untuk tekanan intake manifold.

Kemungkinan Akibat Perlaksanaan:

  • Daya rendah

Pemecahan Masalah:

Langkah Pengujian" status="1 1. Perbaiki Sirkuit Suplai Sensor

  1. Perbaiki sirkuit untuk kabel suplai antara ECM dan sensor.

Hasil yang Diharapkan:

Masalah teratasi.

Hasil:

  • OK - Masalah teratasi.

    BERHENTI

  • Tidak OK - Masalah tidak teratasi.

    Perbaikan: Ganti sensor.

    BERHENTI

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