E.C.C. TROUBLE DIAGNOSES (Models with catalyzer without E.G.R.) — Diagnostic Procedure 10 (Cont'd)
EF & EC-75flowchartModels with catalyzer without E.G.R. (GA13DS, GA14DS & GA16DS engines). M/T vs A/T idle speed specs distinguished.
Diagnostic Procedure 10 (Cont'd)
1
INSPECTION START
2
CHECK OVERALL FUNCTION. 1) Start engine and warm it up sufficiently. 2) Check idle speed. M/T: 750 ± 50 rpm; A/T: 850 ± 50 rpm. If N.G., adjust idle speed. 3) Turn both air conditioner switch and blower fan switch "ON", then recheck idle speed. M/T: 850 ± 50 rpm; A/T: 850 ± 50 rpm.
O.K.
INSPECTION END
N.G.
3
Check if air conditioner compressor functions normally.
N.G.
Refer to HA section.
O.K.
4
CHECK VACUUM SOURCE TO F.I. POT. 1) Disconnect vacuum hose to F.I. pot. 2) Make sure that vacuum exists under the following condition. Air conditioner switch "OFF": Vacuum should not exist. Air conditioner switch "ON": Vacuum should exist.
N.G.
CHECK CONTROL FUNCTION. 1) Check voltage between E.C.U. terminal (1) and ground under the following condition. Voltage: Air conditioner switch "OFF": Battery voltage; Air conditioner switch "ON": Approximately 0V
CHECK CONTROL FUNCTION. 1) Check voltage between E.C.U. terminal (1) and ground under the following condition. Voltage: Air conditioner switch "OFF": Battery voltage; Air conditioner switch "ON": Approximately 0V
O.K.
5
CHECK COMPONENT (F.I. pot). Refer to "Electrical Components Inspection". (See page EF & EC-149.)
N.G.
6
Replace F.I. pot.