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Hyundai Equus: Repair procedures - Keyless Entry And Burglar Alarm - Body Electrical System - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Repair procedures

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Body Electrical System / Keyless Entry And Burglar Alarm / Repair procedures

Inspection
Front Door Lock Module Inspection
1.
Remove the front door trim.
(Refer to Body - "Front Door Trim")
2.
Remove the front door module.
(Refer to Body - "Front Door Module")
3.
Disconnect the connectors from the actuator.

4.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

5.
Disconnect the power ajar switch connector from door lock actuator.

6.
Check for continuity between terminals in half latching condition according to the table.

7.
Operate the cinching reset procedure when power door latch operation (automatic full latching) is faulty.
(1)
Cinching reset procedure is completed by "Remove power door fuse > Install power door fuse > IGN ON".
Rear Door Lock Module Inspection
1.
Remove the rear door trim.
(Refer to Body - "Rear Door Trim")
2.
Remove the rear door module.
(Refer to Body - "Rear Door Module")
3.
Disconnect the connectors from the actuator.

4.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

5.
Disconnect the power ajar switch connector from door lock actuator.

6.
Check for continuity between terminals in half latching condition according to the table.

7.
Operate the cinching reset procedure when power door latch operation (automatic full latching) is faulty.
(1)
Cinching reset procedure is completed by "Remove power door fuse > Install power door fuse > IGN ON".
Trunk Lock Module Inspection
1.
Remove the trunk trim.
(Refer to Body - "Trunk Trim")
2.
Disconnect the 4P connector from the actuator.

3.
Check actuator operation by connecting power and ground according to the table. To prevent damage to the actuator, apply battery voltage only momentarily.

Trunk Open Switch
1.
Check for continuity between the terminals in each switch position according to the table.

Hood Switch
1.
Disconnect the connector (A) and bolts from the hood switch.

2.
Check for continuity between the terminals and ground according to the table.
(Refer to Body - "Hood Latch")

Burglar Horn
1.
Remove the burglar horn after removing a nut and disconnect the 2P connector from the burglar horn.

2.
Test the burglar horn by connecting battery power to the terminal 1 and ground the terminal 2.
3.
The burglar horn should sound. If the burglar horn fails to sound replace it.
    Description and Operation
    Description Burglar Alarm State [B/A State] B/A StateDescriptionDISARM 1. In "DISARM" state, no vehicle start inhibition. So, when door, hood, or Tailgate is opened, there is no alarm sound ...

    BCM (Body Control Module)
    ...

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