Service Hints

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

C 5 CIRCUIT OPENING RELAY
1-2: Closed with starter running or engine running

I 6,I 7, I 8, I 9, I10, I11 INJECTOR NO. 1, NO.2, NO. 3, NO.4, NO. 5, NO.6
1-2: 13.4-14.2 Ohms

P 1 PARK/NEUTRAL POSITION SW
5-6: Closed with A/T shift lever in P or N position

T 1 THROTTLE POSITION SENSOR
2-1: 2.5-6 K Ohms

E 3 ENGINE COOLANT TERM 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)

E 4 (A), E 5 (B), E 6 (C), E 7 (D) ENGINE CONTROL MODULE
Voltage at engine control module connectors
+B-E1: 9-14 Volts (Ignition SW ON)
BATT-E1: 9-14 Volts (Always)
VC-E2: 4.5-5.5 Volts (Ignition SW ON)
VTA-E2: 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)
STA-E1: 6 Volts or more (Ignition SW at ST position and Park/Neutral Position SW ON)
W-E1: 9-14 Volts (No trouble and engine running)
THA-E2: 0.5-3.4 Volts (Ignition SW ON and intake air temp. (20° C,68° F)
THW-E2: 0.2-1.0 Volts (Ignition SW ON and coolant temp. (80° C° 176° F)
SP1-E1: Pulse generation with vehicle moving
BK-E1: 7.5-14 Volts (Stop light SW ON)
IGT1, IGT2, IGT3-E1: Pulse generation (Cranking or engine running)
#10, #20. #30, #40, #50, #60-E1: 9-14 Volts (Ignition SW ON)

RESISTANCE AT ENGINE CONTROL MODULE WIRING CONNECTOR
(Disconnect wiring connector)
VTA-E2: 3.3-10 K Ohms (Throttle valve fully open)
0.2-0.8 K Ohms (Throttle valve fully close)
THA-E2: 2-3 K Ohms (Intake air temp. 20° C° 68° F)
THW-E2: 0.2-0.4 K Ohms (Coolant temp. 80° C,178° F)