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:
CVVT Oil Control Valve (OCV) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the OCV connector.
3.
Measure resistance between the OCV terminals 1 and 2.
4.
Check that the resistance is within the specifi ...
Inhibitor Switch Troubleshooting
Fault Diagnosis
Fault Diagnosis for Symptom
Major Symptom Expected Cause Items to Check and Measures Shift lever not operating Gear not marked on cluster Shock occurs wh ...
Photo Sensor Description and Operation
Description
1.
The photo sensor is located at the center of defrost nozzle.
2.
The photo sensor contains a photovoltaic (sensitive to
sunlight) diode. The solar radiation received by its lig ...
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