Nissan 100NX N14 silhouetteN14

E.C.C. TROUBLE DIAGNOSES (Models with catalyzer) — Electrical Components Inspection: E.C.C. Control Unit Input/Output Signal Inspection

EF & EC-136prose procedure

Applies to models with catalyzer; engines GA13DS, GA14DS & GA16DS. Distinguishes models with E.G.R. (control unit behind center console) vs without E.G.R. (control unit at dash side).

Continued from EF & EC-135
GA13DS, GA14DS & GA16DS

Electrical Components Inspection

E.C.C. Control Unit Input/Output Signal Inspection

  1. 1
    Models with E.G.R.: E.C.C. control unit is located behind center console. For this inspection, remove center console under cover.
    Models without E.G.R.: E.C.C. control unit is located at dash side. For this inspection, remove dash side finisher.
    Illustration of the E.C.C. control unit for models with E.G.R., shown as a rectangular box-shaped electronic module with mounting brackets and edge connectors along the front. Labelled 'Models with E.G.R.'
    SEF353L
  2. 2
    Perform all voltage measurements with the connectors connected. Extend tester probe as shown to perform tests easily.
    Illustration showing the E.C.C. control unit with connectors attached and a voltmeter probing a terminal; a curved arrow points down to a detail of a thin wire wrapped around the tester probe to extend the probe for easier voltage measurement. Labelled 'Thin wire' and 'Tester probe'.
    SEF413K
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