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Service Hints


EFI RELAY
2-3-2-5: Closed with the Ignition SW at ON or ST position

E 5-A, E 6-B, E 7-C ENGINE CONTROL MODULE ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION E 8-D, E 9-E ECU (A/T), ENGINE ECU (M/T))
BATT-E1: 9.0-14.0 Volts (always)
PIM-E2: 3.3-3.9 Volts (Ignition SW at ON position)
VCC-E2: 4.5-5.5 Volts (Ignition SW at ON position)
RSC, RSO-E1: 9.0-14.0 Volts (Ignition SW at ON position)
+B-E1: 9.0-14.0 Volts (Ignition SW at ON position)
IDL-E2: 9.0-14.0 Volts (Ignition SW at ON and throttle valve open)
VTA-E2: 0.3- 0.8 Volts (Ignition SW at ON and throttle valve fully closed)

#10, #20-EO1,EO2: 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, 176° F)
AC1-E1: 0-1.0 Volts (Ignition SW ON and air conditioning ON)
ACT-E1: 9.0-14.0 Volts (Ignition SW ON and air conditioning ON)
STA-E1: 6.0-14.0 Volts (engine cranking)
IGT1, IGT2-E1: Under 0.5 Volts <-> 4.5-5.5 Volts (engine cranking or idling)
W-E1: 9.0-14.0 Volts (Ignition SW ON, no trouble and engine running)
TE1,TE2-E1: 9.0-14.0 Volts (Ignition SW ON and data link connector 1 (check connector) TE1,TE2-E1 not connected)
1.0 Volts or less (Ignition SW ON and data link connector 1 (check connector) TE1,TE2-E1 connector)

RESISTANCE AT ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU (A/T), ENGINE ECU (M/T)) WIRING CONNECTORS (Disconnect wiring connector)
IDL-E2: Infinity (throttle valve open)
0 Ohms (throttle valve fully closed)
VTA-E2: 2.0-10.2 K Ohms (throttle valve fully open)
0.2-5.7 K Ohms (throttle valve fully closed)
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)