Engine Control System/Fuel System

Injector Driver Box (IDB) Circuit Diagrams

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IDB Terminal and Input/Output Signal

IDB Terminal Function

Connector [C110-IDB]
Pin No. Description Connected To
1 - ?
2 - ?
3 - ?
4 - ?
5 - ?
6 - ?
7 - ?
8 - ?
9 - ?
10 - ?
11 - ?
12 - ?
13 - ?
14 - ?
15 - ?
16 Injector (Cylinder No. 3) [Low] Control Output Injector (Cylinder #3)
17 Injector (Cylinder No. 6) [Low] Control Output Injector (Cylinder No. 6)
18 Injector (Cylinder No. 6) [High] Control Output Injector (Cylinder No. 6)
19 Injector (Cylinder No. 2) [Low] Control Output Injector (Cylinder #2)
20 Injector (Cylinder No. 5) [Low] Control Output Injector (Cylinder No. 5)
21 - ?
22 Injector Signal Input (Cylinder No. 2) Engine Control Module (ECM)
23 Injector Signal Input (Cylinder No. 5) Engine Control Module (ECM)
24 - ?
25 Fuel Pressure Regulator Valve (FPRV) Logic Input Engine Control Module (ECM)
26 CCP-CAN [Low] Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
27 CCP-CAN [High] Other Control Module, Data Link Connector (DLC), Multi-Purpose Check Connector
28 Battery Power (B+) Ignition Lock
29 Battery Power (B+) Main Relay
30 Battery Power (B+) Main Relay
31 Injector (Cylinder No. 4) [High] Control Output Injector (Cylinder No. 4)
32 Injector (Cylinder No. 1) [High] Control Output Injector (Cylinder No. 1)
33 Injector (Cylinder No. 3) [High] Control Output Injector (Cylinder #3)
34 Injector (Cylinder No. 2) [High] Control Output Injector (Cylinder #2)
35 Injector (Cylinder No. 5) [High] Control Output Injector (Cylinder No. 5)
36 - ?
37 - ?
38 Injector Signal Input (Cylinder No. 3) Engine Control Module (ECM)
39 - ?
40 Injector Signal Input (Cylinder No. 6) Engine Control Module (ECM)
41 Injector Signal Input (Cylinder No. 4) Engine Control Module (ECM)
42 Battery Power (B+) Ignition Lock
43 Battery Power (B+) Main Relay
44 Battery Power (B+) Main Relay
45 Fuel Pressure Regulator Valve (FPRV) [High] Control Output Fuel Pressure Regulator Valve (FPRV)
46 Injector (Cylinder No. 4) [Low] Control Output Injector (Cylinder No. 4)
47 Injector (Cylinder No. 1) [Low] Control Output Injector (Cylinder No. 1)
48 ECM Ground Ground
49 ECM Ground Ground
50 ECM Ground Ground
51 - ?
52 - ?
53 - ?
54 - ?
55 Injector Signal Input (Cylinder No. 1) Engine Control Module (ECM)
56 - ?
57 - ?
58 - ?
59 Battery Power (B+) Main Relay
60 Fuel Pressure Regulator Valve (FPRV) [Low] Control Output Fuel Pressure Regulator Valve (FPRV)

IDB Terminal Input/Output Signal

Connector [C110-IDB]
Pin No. Description Condition Type Level
1 - ? ? ?
2 - ? ? ?
3 - ? ? ?
4 - ? ? ?
5 - ? ? ?
6 - ? ? ?
7 - ? ? ?
8 - ? ? ?
9 - ? ? ?
10 - ? ? ?
11 - ? ? ?
12 - ? ? ?
13 - ? ? ?
14 - ? ? ?
15 - ? ? ?
16 Injector (Cylinder No. 3) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
17 Injector (Cylinder No. 6) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
18 Injector (Cylinder No. 6) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
19 Injector (Cylinder No. 2) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
20 Injector (Cylinder No. 5) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
21 - ? ? ?
22 Injector Signal Input (Cylinder No. 2) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
23 Injector Signal Input (Cylinder No. 5) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
24 - ? ? ?
25 Fuel Pressure Regulator Valve (FPRV) Logic Input ? ? ?
? ? ?
26 CCP-CAN [Low] Recessive Pulse 2.0 - 3.0 V
Dominant 2.75 - 4.5 V
27 CCP-CAN [High] Recessive Pulse 2.0 - 3.0 V
Dominant 2.75 - 4.5 V
28 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
29 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
30 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
31 Injector (Cylinder No. 4) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
32 Injector (Cylinder No. 1) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
33 Injector (Cylinder No. 3) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
34 Injector (Cylinder No. 2) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
35 Injector (Cylinder No. 5) [High] Control Output Idle Pulse High: Battery Voltage ~ 80 V
Relay ON Low: Battery Voltage
36 - ? ? ?
37 - ? ? ?
38 Injector Signal Input (Cylinder No. 3) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
39 - ? ? ?
40 Injector Signal Input (Cylinder No. 6) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
41 Injector Signal Input (Cylinder No. 4) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
42 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
43 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
44 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
45 Fuel Pressure Regulator Valve (FPRV) [High] Control Output Idle DC Voltage Battery Voltage
Max. 1.0 V
46 Injector (Cylinder No. 4) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
47 Injector (Cylinder No. 1) [Low] Control Output Idle Pulse High: Battery voltage
Relay ON Low: Max. 1.0 V
48 ECM Ground Idle DC Voltage Max. 50 mV
49 ECM Ground Idle DC Voltage Max. 50 mV
50 ECM Ground Idle DC Voltage Max. 50 mV
51 - ? ? ?
52 - ? ? ?
53 - ? ? ?
54 - ? ? ?
55 Injector Signal Input (Cylinder No. 1) Idle Pulse High: Battery voltage
Low: Max. 1.0 V
56 - ? ? ?
57 - ? ? ?
58 - ? ? ?
59 Battery Power (B+) IG OFF DC Voltage Max. 0.5 V
IGNITION ON Battery Voltage
60 Fuel Pressure Regulator Valve (FPRV) [Low] Control Output Idle DC Voltage Battery Voltage
Max. 1.0 V

Wiring Diagram

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