Operation CHARM: Car repair manuals for everyone.

Service Hints

E4 (A), E5 (B), E6 (C) ENGINE CONTROL MODULE
BATT-E1 : Always 9.0-14.0
+B-E1 : 9.0-14.0 Volts (Ignition SW ON)
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 open)
PIM-E2 : 3.3-3.9 Volts (Ignition SW ON)
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)
IGT1-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)
AC-E1 : 0-3.0 Volts (Ignition SW ON and air conditioning ON)
TC-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 P or N position)
9.0-14.0 Volts (Ignition SW ON and Park/Neutral position SW except position P and N position)
ISCO, ISCC-E1: 9.0-14.0 Volts (Ignition SW ON)
#10, #20, #30, #40-E01, E02: 9.0-14.0 Volts (Ignition SW ON)

RESISTANCE OF ENGINE CONTROL MODULE WIRING CONNECTORS
(Disconnect wiring connector)
VTA-E2 : 3.0-10.0 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)
G+-NE- : 0.17-0.21 K Ohms
ISCO, ISCC- +B: 19.3-22.3 Ohms

CIRCUIT OPENING RELAY
3-5 : Closed with the ignition SW ON or ST position

EFI RELAY
3-5 : Closed with the ignition SW ON or ST position

IG2 RELAY
3-5 : Closed with the ignition SW ON or ST position

E2 ENGINE COOLANT TEMP SENSOR
1-2 : 14.6-17.8 K Ohms (-20° C, -4° F)
5.88 K Ohms (0° C, 32° F)
2.21-2.69 K Ohms (20° C, 68° F)
1.14 K Ohms (40° C, 104° F)
0.584 K Ohms (60° C, 140° F)
0.29-0.354 K Ohms (80° C, l76° F)

15, 16,17, 18 INJECTOR
1-2 : Approx. 13.8 Ohms

T1 THROTTLE POSITION SENSOR
3-2 : 0.2-5.7 K Ohms with the clearance between lever and the stop screw 0 mm (0 in.)
2.0-10.2 K Ohms with the throttle valve fully open