Service Hints

E4 (A), E6 (C), E7 (D) ENGINE CONTROL MODULE
BATT- E1 : Always approx. 9 - 14 volts
+B- E1 : 9 - 14 volts with the ignition SW on and the engine stopping
VC-E1 : 4.5 - 5.5 volts with the ignition SW on and the engine stopping
IGF - E1 : Pulse generation with the engine idling
THA - E1 : 0.5 - 3.4 volts with the engine idling and the intake air temperature. 0 °C (32 °F) - 80 °C (176 °F)
THW - E1 : 0.2 - 1.0 volts with the engine idling and the engine coolant temperature. 60 °C (140 °F) - 120 °C (248 °F)
W - E1 : 9 - 14 volts with the engine idling
: 0 - 3 volts with the ignition SW on and the engine coolant temperature. sensor connector disconnects STA-E1: 6.0 volts or more with the engine cranking
VTA - E1 : 0.3 - 1.0 volts with the ignition SW on and the throttle valve fully closed
: 3.2 - 4.9 volts with the ignition SW on and the throttle valve fully open
STP - E1 : 7.5 - 14 volts with the brake pedal depressed
EVP1 - E1 : 9 - 14 volts with the ignition SW on and the engine stopping
FC - E1 : 9 - 14 volts with the ignition SW on and the engine stopping.
: 0 - 3 volts with the engine idling
NE, G2 - NE(-) : Pulse generation with the engine idling
OCV(+) - OCV(-) : Pulse generation with the ignition SW on and the engine stopping
IGT1, IGT2, IGT3, IGT4 - E1 : Pulse generation with the engine idling
#10, #20, #30, #40-E1 : Pulse generation with the engine idling
E01, E02, E03, E1, E2, CASE - GROUND : Always continuity

E2 ENGINE COOLANT TEMP. SENSOR
2 - 1 : Approx. 14.96 kOhms (-20 °C, -4 °F)
: Approx. 2.44 kOhms (20 °C, 68 °F)
: Approx. 0.31 kOhms (80 °C, 176 °F)
: Approx. 0.14 kOhms (110 °C, 230 °F)