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Injector Drive Box (IDB) |
IDB Connector |
ECM Terminal Function |
Pin No. | Description | Connected to |
1 | ECM ground | Chassis ground |
2 | ECM ground | Chassis ground |
3 | Battery power (B+) | Main relay |
4 | ECM ground | Chassis ground |
5 | Battery power (B+) | Main relay |
6 | Battery power (B+) | Main relay |
7 | Fuel Pressure Control Valve (FPCV) #1 [Low] control output | Fuel Pressure Control Valve (FPCV) |
8 | - | x |
9 | - | x |
10 | - | x |
11 | - | x |
12 | - | x |
13 | - | x |
14 | - | x |
15 | - | x |
16 | - | x |
17 | - | x |
18 | - | x |
19 | - | x |
20 | - | x |
21 | - | x |
22 | - | x |
23 | - | x |
24 | - | x |
25 | - | x |
26 | - | x |
27 | - | x |
28 | - | x |
29 | Fuel Pressure Control Valve (FPCV) #1 [High] control output | Fuel Pressure Control Valve (FPCV) |
30 | - | x |
31 | - | x |
32 | - | x |
33 | - | x |
34 | - | x |
35 | - | x |
36 | - | x |
37 | - | x |
38 | - | x |
39 | - | x |
40 | - | x |
41 | - | x |
42 | - | x |
43 | - | x |
44 | - | x |
45 | - | x |
46 | - | x |
47 | - | x |
48 | - | x |
49 | - | x |
50 | - | x |
51 | Fuel Pressure Control Valve (FPCV) #2 [Low] control output | Fuel Pressure Control Valve (FPCV) |
52 | - | x |
53 | - | x |
54 | Fuel power #2 [SEL 1] signal input | Engine Control Module (ECM) |
55 | Fuel power #1 [SEL 1] signal input | Engine Control Module (ECM) |
56 | Fuel power #1 [ON] signal input | Engine Control Module (ECM) |
57 | Injector (Cylinder #8) signal input | Engine Control Module (ECM) |
58 | Injector (Cylinder #6) signal input | Engine Control Module (ECM) |
59 | Injector (Cylinder #5) signal input | Engine Control Module (ECM) |
60 | Injector (Cylinder #4) signal input | Engine Control Module (ECM) |
61 | - | x |
62 | - | x |
63 | - | x |
64 | Battery power (B+) | Ignition Switch |
65 | Injector (Cylinder #1) [Low] control output | Injector (Cylinder #1) |
66 | Injector (Cylinder #1) [High] control output | Injector (Cylinder #1) |
67 | Injector (Cylinder #7) [High] control output | Injector (Cylinder #7) |
68 | Injector (Cylinder #7) [Low] control output | Injector (Cylinder #7) |
69 | Injector (Cylinder #2) [Low] control output | Injector (Cylinder #2) |
70 | Injector (Cylinder #2) [High] control output | Injector (Cylinder #2) |
71 | Injector (Cylinder #8) [High] control output | Injector (Cylinder #8) |
72 | Injector (Cylinder #8) [Low] control output | Injector (Cylinder #8) |
73 | Fuel Pressure Control Valve (FPCV) #2 [High] control output | Fuel Pressure Control Valve (FPCV) |
74 | - | x |
75 | Fuel power #1 [SEL 0] signal input | Engine Control Module (ECM) |
76 | Fuel power #2 [SEL 0] signal input | Engine Control Module (ECM) |
77 | Fuel power #2 [ON] signal input | Engine Control Module (ECM) |
78 | Injector (Cylinder #3) signal input | Engine Control Module (ECM) |
79 | - | x |
80 | Injector (Cylinder #2) signal input | Engine Control Module (ECM) |
81 | Injector (Cylinder #1) signal input | Engine Control Module (ECM) |
82 | Injector (Cylinder #7) signal input | Engine Control Module (ECM) |
83 | - | x |
84 | C-CAN [High] | Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector |
85 | C-CAN [Low] | Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector |
86 | - | x |
87 | Injector (Cylinder #4) [Low] control output | Injector (Cylinder #4) |
88 | Injector (Cylinder #4) [High] control output | Injector (Cylinder #4) |
89 | Injector (Cylinder #6) [High] control output | Injector (Cylinder #6) |
90 | Injector (Cylinder #6) [Low] control output | Injector (Cylinder #6) |
91 | Injector (Cylinder #5) [Low] control output | Injector (Cylinder #5) |
92 | Injector (Cylinder #5) [High] control output | Injector (Cylinder #5) |
93 | Injector (Cylinder #3) [High] control output | Injector (Cylinder #3) |
94 | Injector (Cylinder #3) [Low] control output | Injector (Cylinder #3) |
ECM Terminal Function |
Pin No. | Description | Condition | Type | Level |
1 | ECM ground | Idle | DC voltage | Max. 50mV |
2 | ECM ground | Idle | DC voltage | Max. 50mV |
3 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
IG ON | battery voltage | |||
4 | ECM ground | Idle | DC voltage | Max. 50mV |
5 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
IG ON | battery voltage | |||
6 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
IG ON | battery voltage | |||
7 | Fuel Pressure Control Valve(FPCV) #1 [Low] control output | Idle | DC voltage | battery voltage |
Max. 1.0V | ||||
8 | - | x | x | x |
9 | - | x | x | x |
10 | - | x | x | x |
11 | - | x | x | x |
12 | - | x | x | x |
13 | - | x | x | x |
14 | - | x | x | x |
15 | - | x | x | x |
16 | - | x | x | x |
17 | - | x | x | x |
18 | - | x | x | x |
19 | - | x | x | x |
20 | - | x | x | x |
21 | - | x | x | x |
22 | - | x | x | x |
23 | - | x | x | x |
24 | - | x | x | x |
25 | - | x | x | x |
26 | - | x | x | x |
27 | - | x | x | x |
28 | - | x | x | x |
29 | Fuel Pressure Control Valve (FPCV) #1 [High] control output | Idle | DC voltage | battery voltage |
Max. 1.0V | ||||
30 | - | x | x | x |
31 | - | x | x | x |
32 | - | x | x | x |
33 | - | x | x | x |
34 | - | x | x | x |
35 | - | x | x | x |
36 | - | x | x | x |
37 | - | x | x | x |
38 | - | x | x | x |
39 | - | x | x | x |
40 | - | x | x | x |
41 | - | x | x | x |
42 | - | x | x | x |
43 | - | x | x | x |
44 | - | x | x | x |
45 | - | x | x | x |
46 | - | x | x | x |
47 | - | x | x | x |
48 | - | x | x | x |
49 | - | x | x | x |
50 | - | x | x | x |
51 | Fuel Pressure Control Valve (FPCV) #2 [High] control output | Idle | DC voltage | battery voltage |
Max. 1.0V | ||||
52 | - | x | x | x |
53 | - | x | x | x |
54 | Fuel power #2 [SEL 1] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
55 | Fuel power #1 [SEL 1] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
56 | Fuel power #1 [ON] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
57 | Injector (Cylinder #8) signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
58 | Injector (Cylinder #6) signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
59 | Injector (Cylinder #5) signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
60 | Injector (Cylinder #4) signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
61 | - | x | x | x |
62 | - | x | x | x |
63 | - | x | x | x |
64 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
IG ON | battery voltage | |||
65 | Injector (Cylinder #1) [Low] control output | Idle | Pulse | High: battery voltage |
Relay ON | Low: Max. 1.0V | |||
66 | Injector (Cylinder #1) [High] control output | Idle | Pulse | High: battery voltage ~ 80V |
Relay ON | Low: battery voltage | |||
67 | Injector (Cylinder #7) [High] control output | Idle | Pulse | High: battery voltage ~ 80V |
Relay ON | Low: battery voltage | |||
68 | Injector (Cylinder #7) [Low] control output | Idle | Pulse | High: battery voltage |
Relay ON | Low: Max. 1.0V | |||
69 | Injector (Cylinder #2) [Low] control output | Idle | Pulse | High: battery voltage |
Relay ON | Low: Max. 1.0V | |||
70 | Injector (Cylinder #2) [High] control output | Idle | Pulse | High: battery voltage ~ 80V |
Relay ON | Low: battery voltage | |||
71 | Injector (Cylinder #8) [High] control output | Idle | Pulse | High: battery voltage ~ 80V |
Relay ON | Low: battery voltage | |||
72 | Injector (Cylinder #8) [Low] control output | Idle | Pulse | High: battery voltage |
Relay ON | Low: Max. 1.0V | |||
73 | Fuel Pressure Control Valve (FPCV) #2 [High] control output | Idle | DC voltage | battery voltage |
Max. 1.0V | ||||
74 | - | x | x | x |
75 | Fuel power #1 [SEL 0] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
76 | Fuel power #2 [SEL 0] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
77 | Fuel power #2 [ON] signal input | Idle | Pulse | High: battery voltage |
Low: Max. 1.0V | ||||
78 | Injector (Cylinder #3) signal input | Idle | Pulse | High: battery voltage |
Low: Max.1.0V | ||||
79 | - | x | x | x |
80 | Injector (Cylinder #2) signal input | Idle | Pulse | High: battery voltage |
Low: Max.1.0V | ||||
81 | Injector (Cylinder #1) signal input | Idle | Pulse | High: battery voltage |
Low: Max.1.0V | ||||
82 | Injector (Cylinder #7) signal input | Idle | Pulse | High: battery voltage |
Low: Max.1.0V | ||||
83 | - | x | x | x |
84 | C-CAN [High] | Recessive | Pulse | 2.0 ~ 3.0V |
Dominant | 2.75 ~ 4.5V | |||
85 | C-CAN [Low] | Recessive | Pulse | 2.0 ~ 3.0V |
Dominant | 2.75 ~ 4.5V | |||
86 | - | x | x | x |
87 | Injector (Cylinder #4) [Low] control output | Idle | DC voltage | High: battery voltage |
Low: Max. 1.0V | ||||
88 | Injector (Cylinder #4) [High] control output | Idle | DC voltage | High: battery voltage ~ 80V |
Low: battery voltage | ||||
89 | Injector (Cylinder #6) [High] control output | Idle | DC voltage | High: battery voltage ~ 80V |
Low: battery voltage | ||||
90 | Injector (Cylinder #6) [High] control output | Idle | DC voltage | High: battery voltage ~ 80V |
Low: battery voltage | ||||
91 | Injector (Cylinder #5) [Low] control output | Idle | DC voltage | High: battery voltage |
Low: Max. 1.0V | ||||
92 | Injector (Cylinder #5) [High] control output | Idle | DC voltage | High: battery voltage ~ 80V |
Low: battery voltage | ||||
93 | Injector (Cylinder #3) [Low] control output | Idle | DC voltage | High: battery voltage |
Low: Max. 1.0V | ||||
94 | Injector (Cylinder #3) [High] control output | Idle | DC voltage | High: battery voltage ~ 80V |
Low: battery voltage |
Circuit Diagram |
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