Service Hints

EFI RELAY
5 - 3 : Closed with ignition SW at ON or ST position

C/OPN RELAY
5 - 3 : Closed with starter cranking or engine cranking

T2 THROTTLE POSITION SENSOR
2 - 1 : Approx. 2.5 - 6.0 kOhms

E2 ENGINE COOLANT TEMPERATURE SENSOR
1 - 2 : Approx. 15.0 kOhms (-20 °C, -4 °F)
Approx. 2.45 kOhms (20 °C, 68 °F)
Approx. 0.32 kOhms (80 °C, 176 °F)

E3 (A), E4 (B), E6 (C), E7 (O) ENGINE CONTROL MODULE
BAT - E1 : Always 9.0 - 14.0 volts
+B - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
VC - E : 4.5 - 5.5 volts
VTA - E1 : 0.3 - 1.0 volts with ignition SW on and throttle valve fully closed
: 3.2 - 4.9 volts with ignition SW on and throttle valve fully open
THA - E1 : 0.5 - 3.4 volts with idling, intake air temperature 0 °C (32 °F) -80 °C (176 °F)
THW - E1 : 0.2 - 1.0 volts with idling, engine coolant temperature 60 °C (140 °F) -120 °C (248 °F)
STA - E1 : 6.0 volts or more with engine cranking
W - E1 : 9.0 - 14.0 volts with idling and malfunction indicator lamp off
SP1 - E1 : Pulse generation with vehicle moving
STP - E1 : 7.5 - 14.0 volts with brake pedal depressed