Hyundai Equus: Injector Drive Box (IDB) Schematic Diagrams
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams
| Injector Drive Box (IDB) |
| IDB Connector |
| ECM Terminal Function |
Connector [C200-IDB]
| 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 |
Connector [C200-IDB]
| 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 |
Engine Control Module (ECM) Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
1) Perform "ECM Neutra ...
Injector Drive Box (IDB) Repair procedures
Remove
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the IDB cover (A).
3.
Disconnect the IDB Connector (A).
4.
Remove the mounting bolts (B), an ...
See also:
Rear Seat Assembly Components and Components Location
Component Location (1)
[Sadan]
1. Rear seat cushion assembly2. Rear seat back assembly
Component Location (2)
[Limousine]
1. Rear seat cushion assembly2. Rear seat back assembly
...
Engine Control Module (ECM) Repair procedures
Removal
When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
1) Perform "ECM Neutra ...
LDWS operation
To operate the LDWS, pull the switch with the Engine Start/Stop Button in the
ON position. The indicator illuminates on the cluster. To cancel the LDWS, pull
the switch again.
LDWS indicator li ...
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