Service Hints

EFI MAIN RELAY [R/B NO. 2]
3-5: Closed with the ignition SW at ON position

EFI NO.2 RELAY [R/B NO.2]
3-5: Closed with the ignition SW at ON position

E 3 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)
04-0.7 K Ohms (60° C. 140° F)
0.2-0.4 K Ohms (80° C, 176° F)

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

I12, I13, I14, I15, I16, I17 INJECTOR
1-2: Approx. 13.8 Ohms

T 2 THROTTLE POSITION SENSOR
1-4: Approx. 4-9 K Ohms
1-3: 3.3-10.0 K Ohms with throttle valve fully open
0.2-0.8 K Ohms with clearance between lever and stop screw 0 mm (0 in.)
1-2: 0-2.3 K Ohms with clearance between lever and stop screw 0.45 mm (0.0177 in.)
Infinity with clearance between lever and stop screw 0.55 mm (0.0216 in.)

E 9 (B), E10 (A) ENGINE CONTROL MODULE
(Voltage at engine control module wiring connectors)
BATT-E1: Always 9-14 Volts
IGSW-E1: 9-14 Volts with the ignition SW ON
MREL-E1: 9-14 Volts with the ignition SW ON
+B-E1: 9-14 Volts with the ignition SW ON
IDL1-E2: 9-14 Volts with the ignition SW ON and the throttle valve fully open
0-1.5 Volts with the ignition SW ON and the throttle valve fully closed
VTA1-E2: 0.3-0.8 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
THA-E2: 0.5-3.4 Volts with the ignition SW ON and the intake air temp. 20° C (68° F)
THW-E2: 0.2-1.0 Volts with the ignition SW ON and the engine coolant temp. 80° C (176° F)
STA-E1: 6-14 Volts with the engine cranking
W-E1: 9-14 Volts with engine idling
NSW-E1: 0-3 Volts with the ignition SW ON and the shift lever P or N position
9-14 Volts with the ignition SW ON and the shift lever except P or Nposition
SPD: Pulse generation
TE1-E1: 9-14 Volts with the ignition SW ON
A/C-E1: 0-1.5 Volts with the ignition SW ON and the A/C OFF
7.5-14 Volts with the ignition SW ON and the A/C ON
ELS-E1: 9-14 Volts with the taillight ON, rear window defogger ON
0-1.5 Volts with the taillight OFF, rear window defogger OFF
STP-E1: 7.5-14 Volts with the stop light SW ON (Brake pedal depressed)
0-1.5 Volts with the stop light SW OFF
ISC, ISC2, ISC3, ISC4-E1: Pulse generation (Engine idling)
#10, #20, #30, #40, #50, #60-E01, E02: Pulse generation (Engine idling) (Resistance of engine control module wiring connectors)
IDL1-E2: Infinity with the throttle valve open
0-2.3 K Ohms with the throttle valve fully closed
VTA1-E2: 3.3 K Ohms -10.0 K Ohms with the throttle valve fully open
200 Ohms-8OO Ohms with the throttle valve fully closed
VC-E2: 4 K Ohms -9 K Ohms
THA-E2: 2 K Ohms -3 K Ohms with the intake air temp. 20° C (68° F)
THW-E2: 200 Ohms -400 Ohms with the coolant temp. 80° C (176° F)
ISC, ISC2, ISC3, ISC4- +B: 10-30 Ohms
#10. #20, #30, #40, #50, #60-+B: 13.2-14.2 Ohms