Service Hints

EFI MAIN RELAY
2-2-2-4: Closed with Ignition SW at ON or ST position

E 4-A, E 5-C, E 6-B, E 7-C ENGINE CONTROL MODULE
(Voltage at the Engine Control Module)
BATT-E1: Always 9.0-14.0 Volts
IGSW, +B, MRLY-E1: 9.0-14.0 Volts with the Ignition SW ON
VCC-E2: 4.5-5.5 Volts with the Ignition SW ON
IDL-E2: 0-3.0 Volts with the Ignition SW ON and throttle valve fully closed
9.0-14.0 Volts with the Ignition SW throttle valve fully open
VTA-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 throttle valve fully open
THA-E2: 0.5-3.4 Volts with the Ignition SW ON and intake air temp. 20° C (68° F)
THW-E2: 0.2-1.0 Volts with the Ignition SW ON and engine coolant temp. 80° C (176° F)
STA-E1: 6.0 Volts or more with the clanking
IGT-E1: Pulse generation with the engine idling
IGF-E1: 2.0 Volts or less with the Ignition SW ON
Pulse Generation with the engine idling
NE-G-: Pulse generation with the engine idling
STA-E1: 9.0-14.0 Volts or less with the Ignition SW ON and Park/Neutral position SW at "P" or "N" position
3.0 Volts with the Ignition SW ON and Park/Neutral position SW at other than "P" or "N", position
SPD-E1: Pulse generation with the Ignition SW ON and rotate driving wheel slowly
TE1-E1: 9.0-14.0 Volts with the Ignition SW ON and data link connector 1 TE1-E1 not connected
1.5 Volts or less with the Ignition SW ON and data link connector 1 TE1-E1 connected
W-E1: 9.0-14.0 Volts with the engine running and no trouble (malfunction indicator lamp) OFF
A/C-E1: 7.5-14.0 Volts with the air conditioning ON
1.5 Volts or less with the air conditioning OFF
STP-E1: 7.5-14.0 Volts with the stop light SW ON (brake pedal depressed)
1.5 Volts or less with the stop light SW OFF
G1,G2-G-: Pulse Generation with the engine idling
KNK1, KNK2-E1: Pulse generation with the engine idling
#10, #20, #30-EO1, EO2: 9.0-14.0 Volts with the Ignition SW ON
#40, #50, #60-EO1, EO2: 9.0-14.0 Volts with the Ignition SW ON
ISC1, ISC2, ISC3, ISC4-E1: 9.0-14.0 Volts with the Ignition SW

RESISTANCE AT ENGINE CONTROL MODULE CONNECTORS
(Disconnect wiring connector)
IDL-E2: Infinity (throttle valve fully open)
2.3 K Ohms or less (throttle valve fully closed)
VTA-E2: 2.0-10.2 K Ohms (throttle valve fully open)
0.2-5.7 K Ohms (throttle valve fully closed)
VCC-E2: 2.5-5.9 K Ohms
THA-E2: 2.0-3.0 K Ohms (intake air temp. 20° C (68°F)
THW-E2: 200-400 Ohms (engine coolant temp. 80° C (176° F)
NE-G-: 185-275 Ohms (cold (-10° C (14° F) to 0° C (122° F))
240-325 Ohms (hot (50° C (122° F) to 100° C (212° F))
G1,G2-G-: 185-275 Ohms (cold (-10° C (14° F) to 0° C (122° F))
240-325 Ohms (hot (50° C (122° F) to 100° C (212° F))
ISC1, ISC2, ISC3, ISC4-+B: 10-30 Ohms

I 1 IDLE AIR CONTROL VALVE
5-4,6: 10-30 Ohms
2-1,3: 10-30 Ohms

I 4, I 5, I 6, I 7, I 8, I 9 INJECTOR
1-2 : 12-16 Ohms

H 5, H 6 HEATED OXYGEN SENSOR (BANK 1 SENSOR 1, BANK 1 SENSOR 2)
1-2 : 5.0-6.5 Ohms

T 1 THROTTLE POSITION SENSOR
1-4: 2.5-5.9 K Ohms
1-3: 2.0-10.2 K Ohms with throttle valve fully open
0.2-5.7 K Ohms with throttle valve fully closed
1-2: Infinity with clearance between lever and stop screw 0.75 mm (0.030 in.)
2.3 K Ohms less with clearance between lever and stop screw 0.50 mm (0.020 in.)

F18 FUEL PUMP
3-6: 0.2-3.0 Ohms

F 5 FUEL PUMP RESISTOR
1-2: Approx. 0.73 Ohms

E 1 EGR GAS TEMP. SENSOR
1-2: 69-89 Ohms (50° C, 122° F)
11-15 Ohms (100°C, 212°F)
2-4 Ohms (150° C, 302° F)

V 4 VSV (FUEL PRESSURE CONTROL)
1-2: 37-44 Ohms (20° C, 68° F)

V 3 VSV (EGR)
1-2: 30-34 Ohms (20° C, 68° F)

E 1 ENGINE COOLANT TEMP.SENSOR
1-2: 10-20 K Ohms (-20° C, -4° F)
4-7 K Ohms (0° C, 32° F)
2-3 K Ohms (20° C, 68° F)
0.9-1.3 K Ohms (40° C, 104° F)
0.4-0.7 K Ohms (60° C, 140° F)
0.2-0.4 K Ohms (80° C, 176° F)