Remove the front door trim panel. (Refer to Body - "Front Door Trim")
Remove the front door module. (Refer to Body - "Front Door Module")
Disconnect the actuator connector.
Spindle Information
NO
LEFT
LAW
1
Motor 1
Lock/Unlock Switch
2
Motor 2
COM
3
Motor 3 (locking latch only)
INSIDE DOOR LOCK
4
Key Switch
Key Switch
5
INSIDE DOOR LOCK
Motor 3 (locking latch only)
6
COM
Motor 2
7
Lock/Unlock Switch
Motor 1
Check the door module operation by applying power and ground according to the table, and check continuity between the terminals.[Central Door Lock Actuator Type][Latch with Bolt Actuator]
Remove the rear door trim panel. (Refer to Body - "Rear Door Trim Panel")
Remove the rear door module. (Refer to Body - "Rear Door Module")
Disconnect the actuator connector.
Spindle Information
NO
LEFT
LAW
1
Lock/Unlock Switch
Motor 1
2
COM
Motor 2
3
-
Motor 3 (locking latch only)
4
-
-
5
Motor 3 (locking latch only)
-
6
Motor 2
COM
7
Motor 1
Lock/Unlock Switch
Check the actuator operation by applying power and ground according to the table. To avoid damaging the actuator, apply battery voltage only momentarily. [Central Door Lock Actuator Type][Latch with Bolt Actuator]
Remove the rear door trim panel. (Refer to Body - "Rear Door Trim")
Remove the rear door lock (A) after loosening the bolts.
Disconnect the rear door lock connector (A).
Check the actuator operation by applying power and ground according to the table. To avoid damaging the actuator, apply battery voltage only momentarily.Trunk Opener Switch
Remove the rear door trim panel. (Refer to Body - "Rear Door Trim")
Disconnect the trunk open switch connector.
Check each switch position to confirm there is no open circuit between the terminals according to the table below.
Disconnect the hood switch connector (A).
Check that there is no open circuit between the terminals and ground according to the table below.
Remove the theft alarm horn (A) by removing 1 bolt, and disconnect the theft alarm connector (B).
Check the theft alarm by applying power to terminal 2 and ground to terminal 1.
The theft alarm should sound. If it does not sound, replace the theft alarm.
Rear Door Lock Module Inspection Rear Door Lock Inspection DOOR SWITCH INSPECTION Disconnect the door switch and check continuity between the terminals. HOOD SWITCH INSPECTION THEFT ALARM INSPECTION
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Test yourself
A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.