FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Service Hints

E 4-A, E 5-B, E 6-C ENGINE CONTROL MODULE
Voltage at Engine Control Module wiring connectors

BATT-E1: Always 9.0-14.0 Volts
PIM-E2: 3.3-3.9 Volts (Ignition SW at ON position)
VC-E2: 4.5-5.5 Volts (Ignition SW at ON position)
+B-E1: 9.0-14.0 Volts (Ignition SW at ON position)
VTA-E2: 3.2-4.9 Volts (Ignition SW at ON position and throttle valve fully open)
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)
W-E1: 9.0-14.0 Volts (No trouble and engine running)
TE1-E1: 9.0-14.0 Volts (Ignition SW ON and data link connector 1 TE1-E1 not connected)
0 Volts (Ignition SW ON and data link connector 1 TE1-E1 connected)
IGT1, IGT2-E1: Pulse Generation (Engine idling)
#10, #20, #30, #40-E01, E03: 9.0-14.0 Volts (Ignition SW at ON position)

RESISTANCE AT ENGINE CONTROL MODULE WIRING CONNECTORS
(Disconnect wiring connectors)
VTA-E2: 4.0-11.0 K Ohms (throttle valve open)
0-6.0 K Ohms (throttle valve fully closed)
2.0-3.0 K Ohms (intake air temp. 20° C, 68° F)
0.2-0.4 K Ohms (coolant temp. 80° C, 176°F)
NE-NE-: 0.14-0.18 K Ohms