Isuzu 4HL1, Workshop Manual

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Engine Control System 1A-35
40-Way Connector (Vehicle side)
25 CKP sensor (+) 66 Common rail pressure sensor signal
26 Shield ground (CMP, CKP, common rail
pressure)
67 Common rail pressure sensor signal
27 CMP sensor ground 68 EGR valve position sensor signal
28 — 69 ITP sensor signal
29 — 70 —
30 — 71 —
31 — 72 —
32 — 73 —
33 — 74 SCV (LO)
34 — 75 SCV (LO)
35 Intake throttle DC motor (–) 76 —
36 — 77 —
37 — 78 —
38 — 79 —
39 — 80 SCV (HI)
40 — 81 SCV (HI)
41 — — —
Pin No. Connected to Pin No. Connected to
Pin No. Connected to Pin No. Connected to
82 — 102 Starter cut relay
83 5 V sensor power 2 (IAT) 103 —
84 AP sensor signal 104 —
85 — 105 —
86 — 106 —
87 Casing ground 107 —
88 DLC (Tech 2 communications) 108 Shield ground (AP)
89 VIM (CAN communications) 109 Starter switch (ON)
90 5 V sensor power 2 (AP) 110 Idle position switch
91 IAT sensor signal 111 —
92 — 112 DLC (diagnostic switch)
93 — 113 Starter switch (ST)
94 5 V sensor ground 2 (AP) 114 ECM power
95 Signal ground 115 ECM power
96 — 116 ECM power
97 VIM (CAN communications) 117 Main relay
98 Glow relay 118 Main relay