Service Hints
E5 (A), E6 (B), E7 (C) ENGINE CONTROL MODULEBATT-E1 : Always 9.0-14.0 Volts
+B-E1 : 9.0-14.0 Volts (Ignition SW at ON position)
VC-E2 : 4.5-5.5 Volts (Ignition SW at ON position)
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 open)
PIM-E2 : 3.3-3.9 Volts (Ignition SW at ON position)
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)
STA-E1 : 6.0-14.0 Volts (Engine cranking)
IGT-E1 : 0.8-1.2 Volts (Engine cranking or idling)
W-E1 : 9.0-14.0 Volts (No trouble and engine running)
ACT-E1 : 4.5-5.5 Volts (Ignition SW ON and air conditioning ON)
AC1-E1 : 0-3.0 Volts (Ignition SW ON and air conditioning ON)
TE1-E1 : 9.0-14.0 Volts (Ignition SW ON and data link connector 1 TE1-E1 not connected)
0-3.0 Volts (Ignition SW ON and data link connector 1 TE1-E1 connected)
NSW-E1 : 0-3.0 Volts (Ignition SW ON and Park/Neutral position SW at P or N position)
9.0-14.0 Volts (Ignition SW ON and Park/Neutral position SW at except P and N position)
B/K-E1 : 9.0-14.0 Volts (Brake pedal depress)
ISCC, ISCO-E1 : 9.0-14.0 Volts (Ignition SW at ON position)
#10, #20, #30, #40-E01, E02: 9.0-14.0 Volts (Ignition SW at ON position)
RESISTANCE OF ECU WIRING CONNECTORS
(Disconnect wiring connector)
VTA-E2 : 3.3-10.0 K Ohms (Throttle valve fully open)
0.2-0.8 K Ohms (Throttle valve fully closed)
VC-E2 : 3.0-7.0 K Ohms
THA-E2 : 2.0-3.0 K Ohms (Intake air temp. 20° C, 68° F)
THW-E2 : 0.2-0.4 K Ohms (Coolant temp. 80° C, 176° F)
ISCC, ISCO : 19.3-22.3 Ohms
C5 CIRCUIT OPENING RELAY
1-2 : Closed with the starter cranking and engine running
EFI RELAY [R/B NO.2]
3-5 : Closed with the ignition SW at ON or ST position
E4 ENGINE COOLANT TEMP. SENSOR
1-2 : 10.0-20.0 K Ohms (-20° C,-4° F)
4.0-7.0 K Ohms (0° C, 32° F)
2.0-3.0 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)
16,17,18,19 INJECTOR
1-2 : Approx. 13.8 Ohms
T 1 THROTTLE POSITION SENSOR
3-1 : 0.2-5.7 K Ohms with clearance between lever and the stop screw 0 mm (0 in.)
2-1 : Less than 2.3 K Ohms with clearance between the lever and the stop screw 0.5 mm (0.02 in.) with clearance between lever and the stop screw 0.7 mm (0.028 in.)
3-1 : 2.0-10.2 K Ohms with the throttle valve fully open