Service Hints

EFI RELAY [ENGINE ROOM R/B]
5-3: 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 9 (A), E10 (B), E14 (E) ENGINE CONTROL MODULE
Voltage at engine control module wiring 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: Approx. 0.6 Volts (Ignition SW ON and throttle valve fully closed)
Approx. 4 Volts (ignition SW ON and throttle valve fully open)
STA-E1: 6 Volts or more (Ignition SW at ST position)
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
STP-E1: 7.5 - 14 Volts (Stop light SW ON)
IGT1, IGT2, IGT3-E1: Pulse generation (Cranking or idling)
#10, #20, #30, #40, #50, #60 -E1: 9 - 14 Volts (Ignition 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