Electrical Components Inspection (Cont'd)
EF & EC-625spec tableSR20DET. Differs from SR20DE table: terminal 16 air flow meter idle = 1.0-1.5V (vs 1.3-1.8V), 2,000 rpm = 1.3-1.8V (vs 1.6-2.1V).
E.C.U. inspection table
NOTE
*Data are reference values.
E.C.U. inspection table (SR20DET)
1
ITEMIgnition signal
CONDITIONEngine is running. Idle speed
*DATA0.3 - 0.5V
1
ITEMIgnition signal
CONDITIONEngine is running. Engine speed is 2,000 rpm
*DATA0.7 - 0.8V
3
ITEMIgnition check
CONDITIONEngine is running. Idle speed
*DATAApproximately 12V
4
ITEME.C.C.S. relay (Self-shut off)
CONDITIONEngine is running. Ignition switch "OFF". For approximately 2 seconds after turning ignition switch "OFF"
*DATA0 - 1V
4
ITEME.C.C.S. relay (Self-shut off)
CONDITIONIgnition switch "OFF". Approximately 2 seconds after turning ignition switch "OFF"
*DATABATTERY VOLTAGE (11 - 14V)
9
ITEMRadiator fan relay
CONDITIONEngine is running. Radiator fan is not operating.
*DATABATTERY VOLTAGE (11 - 14V)
9
ITEMRadiator fan relay
CONDITIONEngine is running. Radiator fan is operating.
*DATA0.6 - 0.8V
11
ITEMAir conditioner relay
CONDITIONEngine is running. Both A/C switch and blower switch are "ON".
*DATA0.5 - 1V
11
ITEMAir conditioner relay
CONDITIONEngine is running. A/C switch is "OFF".
*DATABATTERY VOLTAGE (11 - 14V)
16
ITEMAir flow meter
CONDITIONEngine is running. (Warm-up condition) Idle speed
*DATA1.0 - 1.5V
16
ITEMAir flow meter
CONDITIONEngine is running. (Warm-up condition) Engine speed is 2,000 rpm.
*DATA1.3 - 1.8V
18
ITEMEngine temperature sensor
CONDITIONEngine is running.
*DATA0 - 5.0V Output voltage varies with engine water temperature.
19
ITEMExhaust gas sensor
CONDITIONEngine is running. After warming up sufficiently.
*DATA0 - Approximately 1.5V