Service Hints

Engine Control and Engine Immobiliser System

EFI or ECD RELAY
1 - 3 : Closed with ignition SW at ON or ST position and fuel control SW closed

E2 ENGINE COOLANT TEMPERATURE SENSOR
1 - 2 : Approx. 16.2 kOhms (-20 °C, -4 °F)
: Approx. 2.45 kOhms (20 °C, 68 °F)
: Approx. 0.32 kOhms (80 °C, 176 °F)

E7 (B), E9 (D), E10 (E) ENGINE CONTROL MODULE
BATT - E1 : Always 9.0 - 14.0 volts
+BM - E1 : Always 9.0 - 14.0 volts
IGSW - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
+B, +B1 - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
VC - E2 : 4.5 - 5.5 volts with ignition SW on
VTA2 - E2 : 2.0 - 2.9 volts with ignition SW on and accelerator pedal released
: 4.6 - 5.1 volts with ignition SW on and accelerator pedal depressed
VTA - E2 : 0.4 - 1.0 volts with ignition SW on and accelerator pedal released
: 3.2 - 4.8 volts with ignition SW on and accelerator pedal depressed
VPA - E2 : 0.3 - 0.9 volts with ignition SW on and accelerator pedal released
: 3.2 - 4.8 volts with ignition SW on and accelerator pedal depressed
VPA2 - E2 : 1.8 - 2.7 volts with ignition SW on and accelerator pedal released
: 4.7 - 5.0 volts with ignition SW on and accelerator pedal depressed
THA - E2 : 0.5 - 3.4 volts with idling, intake air temperature 20 °C (68 °F)
THW - E2 : 0.2 - 1.0 volts with idling, engine coolant temperature 80 °C (176 °F)
STA - E1 : 6.0 volts or more with ignition SW at ST position and shift lever in P or N position
W - E1 : 9.0 - 14.0 volts with idling
: Below 3.0 volts with ignition SW on

Electronically Controlled Transmission and A/T Indicator

E7 (B), E9 (D), E10 (E) ENGINE CONTROL MODULE
BATT - E1 : Always 9.0 - 14.0 volts
+B - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
+B1 - E1 : 9.0 - 14.0 volts with ignition SW at ON or ST position
NSW - E1 : 9.0 - 14.0 volts with ignition SW on and other shift lever in P and N position
: 0-3.0 volts with ignition SW on and shift lever in P or N position
STA - E1 : 6.0 volts or more with ignition SW at ST position and shift lever in P or N position