E.C.C. TROUBLE DIAGNOSES (Models with catalyzer without E.G.R.) — Diagnostic Procedure 13 (Cont'd)
EF & EC-85flowchartApplies to GA13DS, GA14DS & GA16DS models with catalyzer without E.G.R. Harness connector IDs (M1, B1) partly occluded.
Diagnostic Procedure 13 (Cont'd) — Clutch switch
1
Clutch switch — INSPECTION START
2
CHECK OVERALL FUNCTION. 1) Set shift lever to any position except the neutral position. 2) Disconnect E.C.U. harness connector. 3) Depress clutch pedal. 4) Check harness continuity between E.C.U. terminal (4) and body ground. Continuity should exist.
O.K.
INSPECTION END
N.G.
3
CHECK GROUND CIRCUIT. 1) Disconnect clutch switch harness connector. 2) Check harness continuity between terminal (b) and body ground. Continuity should exist.
N.G.
Repair harness or connectors.
O.K.
4
CHECK INPUT SIGNAL CIRCUIT. 1) Check harness continuity between E.C.U. terminal (4) and terminal (a). Continuity should exist.
N.G.
Check the following. - Harness connectors (M1), (B1) - Harness continuity between E.C.U. and clutch switch. If N.G., repair harness or connectors.
O.K.
5
CHECK COMPONENT (Clutch switch). Refer to "Electrical Components Inspection". (See page EF & EC-147.)
N.G.
Replace clutch switch.
O.K.
6
Check E.C.U. pin terminals for damage or the connection of E.C.U. harness connector.