Service Hints
Engine Control ModuleC/OPN RELAY
3 - 5 : Closed with the starter running and engine running
EFI RELAY
5 - 3 : Closed with the ignition SW at ON or ST position
E4 (A), ES (B), E6 (C), E7 (D), E6 (E) ENGINE CONTROL MODULE
Voltage at engine control module wiring connector
BATT - E1 : Always 9.0 - 14.0 volts
+B - E1 : 9.0 - 14.0 volts (Ignition SW at ON position)
VC - E1 : Always 4.5 - 5.5 volts (Ignition SW at ON position)
VTA1 - E1 : 0.3 - 0.8 volts (Ignition SW on and throttle valve fully closed)
: 3.2 - 4.9 volts (Ignition SW on and throttle valve fully open)
VG - E1 : 4.0 - 5.5 volts (Ignition SW at ON position)
THA - E1 : 0.5 - 3.4 volts (Ignition SW on and intake air temperature 20 °C,68 °F)
THW - E1 : 0.2 - 1.0 volts (Engine idling and coolant temperature 80 °C,176 °F)
IGF - E1 : 4.5 - 5.5 volts (Ignition SW at ON position)
: Pulse generation (Engine idling)
STA - E1 : 9.0 - 14.0 volts (Ignition SW on and other shift position in P or N position)
: Below 3.0 volts (Ignition SW on and shift position in P or N position)
SPD - E1 : Pulse generation (Ignition SW on and rotate driving wheel slowly)
W - E1 : Below 3.0 volts (Malfunction indicator lamp on)
: 9.0 - 14.0 volts (Malfunction indicator lamp off and engine running)
A/C - E1 : Below 1.5 volts (Engine idling and A/C SW on)
: 7.5 - 14.0 volts (A/C SW off)
ACT - E1 : 9.0 - 14.0 volts (Engine idling and A/C SW on)
: Below 1.5 volts (A/C SW off)
ACIS - E01 : 9.0 - 14.0 volts (Ignition SW at ON position)
NSW - E1 : 6.0 volts or more (Engine cranking)
RSO - E1 : Pulse generation (Engine idling and A/C operation)
KNKL, KNKR - E1 : Pulse generation (Engine idling)
HTS, HAFL, HAFR - E01 : 9.0 - 14.0 volts (Ignition SW at ON position)
: 0 - 3.0 volts (Engine idling)
OXS, AFL+, AFR+ - E1 : Pulse generation (Maintain engine speed at 2500 rpm for two minutes after warning up)
IGT1, IGT2, IGT3, IGT4, IGT5, IGT6 - E1 : Pulse generation (Engine idling)
#10, #20, #30, #40, #50, #60 - E01 : 9.0 - 14.0 volts (Ignition SW at ON position)
: Pulse generation (Engine idling)
I8, I9, I10, I11, I12, I13 INJECTOR
2 - 1 : Approx. 13.8 Ohm
T3 THROTTLE POSITION SENSOR
2 - 1 : 3.75 kOhm
Electronically Controlled Transmission and A/T Indicator
E4 (A), E5 (B), E6 (C), E7 (D), E8 (E) ENGINE CONTROL MODULE
S1, S2 - E1 : 9.0 - 14.0 volts with the electronically controlled transmission solenoid on
: 0 - 1.5 volts with the electronically controlled transmission solenoid off
L - E1 : 7.5 - 14.0 volts with the ignition SW on and shift lever at L position
2 - E1 : 7.5 - 14.0 volts with the ignition SW on and shift lever at 2 position
R - E1 : 7.5 - 14.0 volts with the ignition SW on and shift lever at R position
STP - E1 : 9.0 - 14.0 volts with the ignition SW on and brake pedal depressed
THW - E2 : 0.2 - 1.0 volts with the engine idling and the engine coolant temperature 80 °C (176 °F)
VTA1 - E2 : 0.3 - 0.8 volts with the ignition SW on and throttle valve fully closed
: 3.2 - 4.9 volts with the ignition SW on and throttle valve fully open
VC - E2 : 4.5 - 5.5 volts with the ignition SW at ON position
OD1 - E1 : 4.5 - 5.5 volts with the ignition SW at ON position
OD2 - E1 : 9.0 - 14.0 volts with the ignition SW on and O/D main SW off
: 0 - 3.0 volts with the ignition SW on and O/D main SW on
+B - E1 : 9.0 - 14.0 volts with the ignition SW at ON position
E1 ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID
2,3,6 - GROUND : Each 11 - 15 Ohm
O3 (A), (B) O/D MAIN SW
(A) 2 - (A) 4 : Closed with the O/D main SW off, open with the O/D main SW on (Floor shift)
(B) 3 - (B) 1 : Closed with the O/D main SW off, open with the O/D main SW on (Column shift)