Nissan 100NX N14 silhouetteN14

Electrical Components Inspection (Cont'd)

EF & EC-633prose procedure

F.I.C.D. solenoid valve illustration differs between SR20DE (SEF291L) and SR20DET (SEF290L).

Continued from EF & EC-632

TROUBLE DIAGNOSES

Electrical Components Inspection (Cont'd)

A.A.C. VALVE

  1. 1
    Disconnect A.A.C. valve harness connector.
  2. 2
    Check A.A.C. valve resistance.
    A.A.C. valve illustration showing the harness connector with an ohmmeter (Ω) connected to check the A.A.C. valve resistance.
    SEF352I
  3. 3
    Check plunger for seizing or sticking.
    Exploded illustration of the A.A.C. valve showing the spring and plunger removed, used to check the plunger for seizing/sticking and the spring for breakage. Labelled 'Spring' and 'Plunger'.
    SEF524K
  4. 4
    Check for broken spring.
ResistanceA.A.C. valve
Approximately 10Ω

F.I.C.D. SOLENOID VALVE

  1. 1
    Disconnect F.I.C.D. solenoid valve harness connector.
    SR20DE F.I.C.D. solenoid valve illustration. Harness connector disconnected (DISCONNECT symbol); a battery (BAT) applies 12V direct current to the solenoid valve terminals to check for a clicking sound.
    SEF291L
  2. 2
    Check for clicking sound when applying 12V direct current to terminals.
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