E.C.C. TROUBLE DIAGNOSES (Models with catalyzer and E.G.R.) — Diagnostic Procedure 1 (Cont'd)
EF & EC-88flowchartApplies to GA13DS, GA14DS & GA16DS models with catalyzer and E.G.R.
Diagnostic Procedure 1 (Cont'd) — Ground circuit / E.C.C. relay component check
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(A) — continued from previous page
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F: CHECK GROUND CIRCUIT. 1) Check harness continuity between E.C.U. terminals (22), (32) and engine ground. Continuity should exist.
N.G.
Repair harness or connectors.
O.K.
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CHECK COMPONENT (E.C.C. relay). Refer to "Electrical Components Inspection". (See page EF & EC-147.)
N.G.
Replace E.C.C. relay.
O.K.
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Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.