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9-3 EFI SYSTEM
9-3-1 CHECKING ECU CONNECTOR
1 . Disconnect the connector, and check their terminals
for contamination and deformation .
2 . Check to see that cable is not broken or terminals
are not shelled off .
3 . If any damaged parts are found, repair or replace
them .
PIN ASSIGNMENT OF ECU CONNECTOR
ECU
Fig .9-2
NOTE ;
When replacing the ECU, the throttle body also
needs to be replaced.
IMPORTANT ;
Connect connectors surely after checking.
110 111 112 113 114 115 116 117 118
10
11
12
13
14
15
16
17
18
101 102 103 104 105 106 107 108 109
1
2
3
4
5
6
7
8
9
JAPAN AVIATION ELECTRONIC INDUSTRY
PARTS No .MX23A18NFG
COLOR : GRAY
JAPAN AVIATION ELECTRONIC INDUSTRY
PARTS No .MX23A18NF1
COLOR : BLACK
101
INJECTOR CONTROL
1
FUEL PUMP
102
N .C .
2
N .C .
103
N .C .
3
IGNITION GND
104
N .C .
4
N .C .
105
N .C .
5
N .C .
106
ENGINE TEMP . SENSOR
6
N .C .
107
N .C .
7
OIL SENSOR SWITCH
108
N .C .
8
K-LINE
109
IGNITION SIGNAL
9
BATT . +12V
110
INJECTOR (VB+)
10
POWER GND
111
N .C .
11
DIAGNOSIS LAMP
112
N .C .
12
ACCELERATOR PEDAL SWITCH
113
M .A .P . SENSOR
13
N .C .
114
N .C .
14
N .C .
115
SENSOR GND (ENG .TEMP .)
15
N .C .
116
5V ref .
16
N .C .
117
SENSOR GND(M .A .P .)
17
N .C .
118
N .C .
18
SYSTEM GND