Service Hints
E 5-A, E 6-B, E 7-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)
#10, #20, #30, #40-E01, E02: 9.0-14.0 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 (76°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)
ISCC, ISCO-E1: 9.0-14.0 Volts (Ignition SW at ON position)
TE1-E1: 9.0-14.0 Volts (Ignition SW ON and data link connector 1 (check connector) TE1-E1 not connected)
0- 3.0 Volts (Ignition SW ON and data link connector 1 (check connector) TE1-E1 connected)
NSW-E1: 0- 3.0 Volts (Ignition SW ON and park/neutral position SW (neutral start SW) at P or N position)
9.0-14.0 Volts (Ignition SW ON and park/neutral position SW (neutral start SW) at except P and N position)
B/K-E1: 9.0-14.0 Volts (brake pedal depress)
RESISTANCE OF ECU WIRING CONNECTORS
(Disconnect Wiring Connector)
IDL-E2: Infinity (throttle valve open)
2.3 K Ohms or less (throttle valve fully Closed)
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-E1: 0.2-0.4 K Ohms (coolant temp. 80°C (76°F)
ISCC, ISCO-+B: 19.3-22.3 Ohms
C 5 CIRCUIT OPENING RELAY
1-2: Closed with the starter cranking and Engine running
EFI MAIN RELAY
2-3-2-5: Closed with the Ignition SW at ON or ST position
E 4 ENGINE COOLANT TEMP. SENSOR (EFI WATER 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)
I 6, I 7, I 8, I 9 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