Isuzu N 2008 Series Workshop Manual page 21

1A-18 Engine Control System (4JJ1)
Connector No.
Connector color
Test adapter No.
Pin No. Wire color
49 –
50 BLK/ GRN
51 BRN/ RED
52 BLK/ WHT
53 VIO/ YEL
54 –
55 –
56 –
57 –
58 GRN/ WHT
59 –
60 RED
61 GRN
62 BLK
63 BLU/ WHT
64 WHT
65 –
66 YEL/ GRN
67 GRN/ YEL
68 BLK
69 WHT
70 YEL
71 WHT/ RED
72 BLU/ BLK
73 YEL/ RED
74 RED
75 –
76 –
77 –
78 GRN
79 BLK
J14
Black
J-35616-64A
Pin function
Not used
Neutral switch signal
Engine warm up switch signal
Diagnostic request switch
Engine oil level switch signal
Not used
Not used
Not used
Not used
CAN high signal
Not used
APP sensor 2, BARO sensor and
IAT sensor low reference
APP sensor 2 and BARO sensor 5
volts reference
ECM signal ground
APP sensor 1 signal
APP sensor 2 signal
Not used
Idle up sensor signal
Exhaust differential pressure
sensor signal (Euro 4
specification)
Ground
MAF sensor signal (Euro 4
specification)
PTO throttle sensor signal
BARO sensor signal
IAT sensor signal
Exhaust temperature sensor 1
signal (Euro 4 specification)
Exhaust temperature sensor 2
signal (Euro 4 specification)
Not used
Not used
Not used
CAN low signal
Exhaust differential pressure
sensor, exhaust temperature
sensor 1 and exhaust temperature
sensor 2 low reference (Euro 4
specification)
Connector No.
Connector color
Test adapter No.
Pin No. Wire color
Exhaust differential pressure
80 WHT/ ORN sensor 5 volts reference (Euro 4
specification)
81 BLK ECM case ground
121 120 119
118 117
116 115 114
Connector No.
Connector color
Test adapter No.
Pin No. Wire color
82 BLU/ WHT FRP sensor signal
LT GRN/
83 FT sensor signal
WHT
84 GRN/ YEL ECT sensor signal
Intake throttle position sensor
85 VIO/ WHT
signal
86 – Not used
CMP sensor, FRP sensor and
87 LT GRN EGR position sensor 5 volts
reference
88 – Not used
89 GRN/ RED FRP regulator low side
90 BLU/ WHT FRP sensor signal
91 RED Boost pressure sensor signal
VNT vacuum pressure sensor
92 GRN
signal (Euro 4 specification)
EGR position sensor signal 2
93 LT BLU
(except Euro 2 specification)
J14
Black
J-35616-64A
Pin function
113 112 111 110 109 108 107 106
105 104 103 102 101 100 99 98
97 96 95 94 93 92 91 90
89 88 87 86 85 84 83 82
LNW76ESH001601
E12
Black
J-35616-64A
Pin function