E.C.C. TROUBLE DIAGNOSES (Models with catalyzer and E.G.R.) - Diagnostic Procedure 17 (Cont'd)
EF & EC-128flowchartUnverifiedE.C.C. TROUBLE DIAGNOSES (Models with catalyzer and E.G.R.) [GA13DS, GA14DS & GA16DS]
Diagnostic Procedure 17 (Cont'd)
Diagnostic Procedure 17 (Cont'd) - Mixture Heater Control
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A (from previous page)
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E. CHECK OUTPUT SIGNAL CIRCUIT. 1) Disconnect E.C.U. harness connector. 2) Check harness continuity between E.C.U. terminal 107 and terminal 1. Continuity should exist.
N.G.
Check the following. - Harness connectors F33, M37 - Harness connectors M11, E184 - Harness continuity between E.C.U. and mixture heater relay. If N.G., repair harness or connectors.
Check the following. - Harness connectors F33, M37 - Harness connectors M11, E184 - Harness continuity between E.C.U. and mixture heater relay. If N.G., repair harness or connectors.
O.K.
3
CHECK COMPONENT (Mixture heater relay). Refer to "Electrical Components Inspection". (See page EF & EC-146.)
N.G.
Replace mixture heater relay.
O.K.
Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.