Circuit Service Hints
EFI RELAY2-5-2-3: Closed with Ignition SW at ON or ST position
C 6 CIRCUIT OPENING RELAY
5-3: Closed with Starter Running or Ignition SW at ON position
I 6, I 7, I 8, I 9, I10, I11 INJECTOR
1-2: 13.4-14.2 Ohms
T 2 THROTTLE POSITION SENSOR
1-2: 2.5-5 K Ohms
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)
0.4-0.7 K Ohms (60°C, 140° F)
0.2-0.4 K Ohms (80°C, 176° F)
E 5-A, E 6-B, E 7-C, E 8-D, E 9-E, E10-F, E11 G, E12-H ENGINE CONTROL MODULE
Voltage at Engine Control Module wiring connectors
+B-E1: 9-14 Volts (Ignition SW ON)
BATT-E1: 9-14 Volts (Always)
VCC-E2: 4.5-5.5 Volts (Ignition SW ON)
VTA-E2: Approx. 0.6 Volts (Ignition SW ON and Throttle Valve Fully Closed)
Approx. 4 Volts (Ignition SW ON and Throttle Valve Fully Open)
IGT1, IGT2, IGT3-E1:Pulse Generation (Cranking Or Idling)
STA-E1: 6 Volts or more (Ignition SW at ST position)
#10, #20, #30, #40, #50, #60-E1: 9-14 Volts (Ignition SW ON)
W-E1: 9-14 Volts (No Trouble And Engine Running)
THW-E1: 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)
RESISTANCE AT ECU WIRING CONNECTOR
(Disconnect Wiring Connector)
THW-E2: 0.2-0.4 K Ohms (Coolant Temp. 80°C, 176°F)
NE-E2: 140-180 Ohms