Service Hints

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

E8 ENGINE COOLANT TEMP. SENSOR
1 - 2 : Approx 15.0 kOhm (-20 °C, -40 °F)
: Approx. 2.45 kOhm (20 °C, 680 °F)
: Approx. 0.32 kOhm (80 °C, 116 °F)
: Approx. 0.14 kOhm (110 °C, 230 °F)

E2 (A), E4 (C), ES (D), E6 (E) ENGINE CONTROL MODULE
BATT-GROUND : Always approx. 12 volts
+BM-GROUND : Always approx. 12 volts
IGSW-GROUND : Approx. 12 volts with ignition SW at ON or ST position
+B, +B1 -GROUND : Approx. 12 volts with ignition SW at ON or ST position
VC-GROUND : 4.5 - 5.5 volts with ignition SW on
VTA2-GROUND : 2.0 - 2.9 volts with ignition SW on and throttle valve fully closed
: 4.6 - 5.0 volts with ignition SW on and throttle valve fully opened
VTA-GROUND : 0.4 - 1.0 volts with ignition SW on and throttle valve fully closed
: 3.2 - 4.8 volts with ignition SW on and throttle valve fully opened
VPA-GROUND : 0.6-1.0 volts with ignition SW at on and accelerator fully closed
: 3.2-4.8 volts with ignition SW at on and accelerator fully opened
VPA2-GROUND : 1.4 - 1.8 volts with ignition SW at on and accelerator fully closed
: 4.7 - 5.0 volts with ignition SW at on and accelerator fully opened
THA-GROUND : 0.5 - 3.4 volts with idling, intake air temp. 20 °C (68 °F)
THW-GROUND : 0.2 - 1.0 volts with idling, coolant temp. 80 °C (176 °F)
STA-GROUND : 6.0 volts or more with cranking
TC-GROUND : 9.0 - 14.0 volts with ignition SW on
W-GROUND : 9.0 - 14.0 volts with idling
: 0 - 3.0 volts with ignition SW on
ACMG-GROUND : 0 - 1.5 volts with A/C SW on (at idling)
: 7.5 - 14.0 volts with A/C SW off and throttle valve fully open
#1, #2, #3, #4, #5, #6, #7, #8-GROUND : 9.0-14.0 volts with ignition SW on pulse generation with idling

I13, I14,I15,I16,I17, I18,I19,I20 INJECTOR NO.1, NO.2, NO.3, NO.4, NO.5, NO.6, NO.7, NO.8
1 - 2 : 13.4 - 14.2 Ohm