Hyundai Azera: Injector Drive Box (IDB) Schematic Diagrams
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Injector Drive Box (IDB) Schematic Diagrams
| IDB terminal and Inoutput |
| IDB terminal function |
Connector [CLG02]
| Pin No. | Description | Connected to |
| 1 | - | ? |
| 2 | - | ? |
| 3 | - | ? |
| 4 | - | ? |
| 5 | - | ? |
| 6 | - | ? |
| 7 | - | ? |
| 8 | - | ? |
| 9 | - | ? |
| 10 | - | ? |
| 11 | - | ? |
| 12 | - | ? |
| 13 | - | ? |
| 14 | - | ? |
| 15 | - | ? |
| 16 | Injector (Cylinder #3) [Low] control output | Injector (Cylinder #3) |
| 17 | Injector (Cylinder #6) [Low] control output | Injector (Cylinder #6) |
| 18 | Injector (Cylinder #6) [High] control output | Injector (Cylinder #6) |
| 19 | Injector (Cylinder #2) [Low] control output | Injector (Cylinder #2) |
| 20 | Injector (Cylinder #5) [Low] control output | Injector (Cylinder #5) |
| 21 | - | ? |
| 22 | Injector (Cylinder #2) signal input | Engine Control Module (ECM) |
| 23 | Injector (Cylinder #5) signal input | Engine Control Module (ECM) |
| 24 | - | ? |
| 25 | Fuel Pressure Control 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 switch |
| 29 | Battery power (B+) | Main relay |
| 30 | Battery power (B+) | Main relay |
| 31 | Injector (Cylinder #4) [High] control output | Injector (Cylinder #4) |
| 32 | Injector (Cylinder #1) [High] control output | Injector (Cylinder #1) |
| 33 | Injector (Cylinder #3) [High] control output | Injector (Cylinder #3) |
| 34 | Injector (Cylinder #2) [High] control output | Injector (Cylinder #2) |
| 35 | Injector (Cylinder #5) [High] control output | Injector (Cylinder #5) |
| 36 | - | ? |
| 37 | - | ? |
| 38 | Injector (Cylinder #3) signal input | Engine Control Module (ECM) |
| 39 | - | ? |
| 40 | Injector (Cylinder #6) signal input | Engine Control Module (ECM) |
| 41 | Injector (Cylinder #4) signal input | Engine Control Module (ECM) |
| 42 | Battery power (B+) | Ignition switch |
| 43 | Battery power (B+) | Main relay |
| 44 | Battery power (B+) | Main relay |
| 45 | Fuel Pressure Control Valve (FPRV) [High] control output | Fuel Pressure Control Valve (FPRV) |
| 46 | Injector (Cylinder #4) [Low] control output | Injector (Cylinder #4) |
| 47 | Injector (Cylinder #1) [Low] control output | Injector (Cylinder #1) |
| 48 | ECM ground | Chassis ground |
| 49 | ECM ground | Chassis ground |
| 50 | ECM ground | Chassis ground |
| 51 | - | ? |
| 52 | ECM ground | Chassis ground |
| 53 | ECM ground | Chassis ground |
| 54 | - | ? |
| 55 | Injector (Cylinder #1) signal input | Engine Control Module (ECM) |
| 56 | - | ? |
| 57 | - | ? |
| 58 | - | ? |
| 59 | Battery power (B+) | Main relay |
| 60 | Fuel Pressure Control Valve (FPRV) [Low] control output | Fuel Pressure Control Valve (FPRV) |
| IDB Terminal input/output signal |
Connector [CLG02]
| Pin No. | Description | Condition | Type | Level |
| 1 | - | ? | ? | ? |
| 2 | - | ? | ? | ? |
| 3 | - | ? | ? | ? |
| 4 | - | ? | ? | ? |
| 5 | - | ? | ? | ? |
| 6 | - | ? | ? | ? |
| 7 | - | ? | ? | ? |
| 8 | - | ? | ? | ? |
| 9 | - | ? | ? | ? |
| 10 | - | ? | ? | ? |
| 11 | - | ? | ? | ? |
| 12 | - | ? | ? | ? |
| 13 | - | ? | ? | ? |
| 14 | - | ? | ? | ? |
| 15 | - | ? | ? | ? |
| 16 | Injector (Cylinder #3) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 17 | Injector (Cylinder #6) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 18 | Injector (Cylinder #6) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 19 | Injector (Cylinder #2) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 20 | Injector (Cylinder #5) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 21 | - | ? | ? | ? |
| 22 | Injector (Cylinder #2) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 23 | Injector (Cylinder #5) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 24 | - | ? | ? | ? |
| 25 | Fuel Pressure Control Valve (FPRV) logic input | ? | ? | ? |
| ? | ? | ? | ||
| 26 | CCP-CAN [Low] | Recessive | Pulse | 2.0 ~ 3.0V |
| Dominant | 2.75 ~ 4.5V | |||
| 27 | CCP-CAN [High] | Recessive | Pulse | 2.0 ~ 3.0V |
| Dominant | 2.75 ~ 4.5V | |||
| 28 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 29 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 30 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 31 | Injector (Cylinder #4) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 32 | Injector (Cylinder #1) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 33 | Injector (Cylinder #3) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 34 | Injector (Cylinder #2) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 35 | Injector (Cylinder #5) [High] control output | Idle | Pulse | High: Battery voltage ~ 80V |
| Relay ON | Low: Battery voltage | |||
| 36 | - | ? | ? | ? |
| 37 | - | ? | ? | ? |
| 38 | Injector (Cylinder #3) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 39 | - | ? | ? | ? |
| 40 | Injector (Cylinder #6) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 41 | Injector (Cylinder #4) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 42 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 43 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 44 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 45 | Fuel Pressure Control Valve (FPRV) [High] control output | Idle | DC voltage | Battery voltage |
| Max. 1.0V | ||||
| 46 | Injector (Cylinder #4) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 47 | Injector (Cylinder #1) [Low] control output | Idle | Pulse | High: Battery voltage |
| Relay ON | Low: Max. 1.0V | |||
| 48 | ECM ground | Idle | DC voltage | Max. 50mV |
| 49 | ECM ground | Idle | DC voltage | Max. 50mV |
| 50 | ECM ground | Idle | DC voltage | Max. 50mV |
| 51 | - | ? | ? | ? |
| 52 | ECM ground | Idle | DC voltage | Max. 50mV |
| 53 | ECM ground | Idle | DC voltage | Max. 50mV |
| 54 | - | ? | ? | ? |
| 55 | Injector (Cylinder #1) signal input | Idle | Pulse | High: Battery voltage |
| Low: Max. 1.0V | ||||
| 56 | - | ? | ? | ? |
| 57 | - | ? | ? | ? |
| 58 | - | ? | ? | ? |
| 59 | Battery power (B+) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | Battery voltage | |||
| 60 | Fuel Pressure Control Valve (FPRV) [Low] control output | Idle | DC voltage | Battery voltage |
| Max. 1.0V |
| 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 Neutr ...
Injector Drive Box (IDB) Repair procedures
Removal
1.
Turn the ignition switch off and disconnect the battery negative (-) cable.
2.
Disconnect the injector drive box (IDB) connector (A).
3.
Remove the air cleaner assembly.
(Refer ...
See also:
Drive Plate Components and Components Location
Components
1. Drive plate2. Adapter plate
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Delivery Pipe Repair procedures
Removal
In case of removing the high pressure fuel pump, high
pressure fuel pipe, delivery pipe, and injector, there may be injury
caused by leakage of the high pressure f ...
Seat Belt Buckle Switch (BS) Components and Components Location
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