Engine and Emission Control Overall System - ECU Pin Connections
EF & EC-7spec tableECU Pin Connections
ECU Pin Connections
1
ApplicationIGNITOR
2
ApplicationTACHOMETER
3
ApplicationIGNITION CHECK
4
ApplicationSELF SHUT OFF
5
ApplicationN.C.
6
ApplicationIGNITION GROUND
7 (RX)
ApplicationSCI RECEIVE
15 (TX)
ApplicationSCI TRANSMIT
16
ApplicationAIR FLOW METER +
17
ApplicationN.C.
18
ApplicationWATER TEMPERATURE SENSOR
19
ApplicationEXHAUST GAS SENSOR
20
ApplicationTHROTTLE SENSOR
21
ApplicationANALOGUE GROUND
22
ApplicationC/S REF PUL
31
ApplicationN.C.
32
ApplicationVEHICLE SPEED
33
ApplicationLOAD SWITCH
34
ApplicationSTARTER SWITCH
35
ApplicationNEUTRAL SWITCH
36 (IGN)
ApplicationIGNITION SWITCH
37
ApplicationSENSOR POWER SUPPLY
38
ApplicationCONTROL UNIT POWER SUPPLY
39(−)
ApplicationCONTROL UNIT GROUND
101
ApplicationINJECTOR No. 1
102
ApplicationN.C.
103
ApplicationINJECTOR No.3
104
ApplicationFUEL PUMP RELAY
105
ApplicationEXHAUST GAS SENSOR HEATER
106
ApplicationN.C.
107
ApplicationINJECTOR GROUND
108
ApplicationINJECTOR GROUND
8
ApplicationN.C.
9
ApplicationRADIATOR FAN RELAY (Lo)
10
ApplicationRADIATOR FAN RELAY (Hi)
11
ApplicationAIR CONDITIONING RELAY
12
ApplicationN.C.
13
ApplicationIGNITION GROUND
14 (CLK)
ApplicationSCI CLOCK
23 (CHK)
ApplicationCHECK MODE SELECTOR
24
ApplicationCHECK ENGINE LAMP (N.C.)
25
ApplicationTORQUE OUT
26
ApplicationN.C.
27
ApplicationA.B.S.
28
ApplicationN.C.
29
ApplicationANALOGUE GROUND
30
ApplicationC/S REF PULSE
40
ApplicationN.C.
41
ApplicationAIR CON SWITCH
42
ApplicationTW OUT
43
ApplicationSTEERING SWITCH
44
Application1/3 TVO OUT
45
ApplicationHEATER FAN SWITCH
46
ApplicationBATTERY
47
ApplicationC/U POWER SUPPLY
48
ApplicationC/U GROUND
109
Application(CURRENT RETURN)
110
ApplicationINJECTOR No. 2
111
ApplicationISC VALVE-O
112
ApplicationINJECTOR No. 4
113
ApplicationISC VALVE-C
114
ApplicationN.C.
115
ApplicationN.C.
116
ApplicationN.C.