Description
Detects trunk open/close condition.
Component Function Check
1.CHECK FUNCTION
With CONSULT
Check TRNK/HAT MNTR in Data Monitor mode with CONSULT.

Is the inspection result normal?
YES >> Trunk room lamp switch is OK.
NO >> Refer to DLK "Diagnosis Procedure".
Regarding Wiring Diagram information, refer to DLK "INTELLIGENT KEY SYSTEM : Wiring Diagram".
1.CHECK TRUNK ROOM LAMP SWITCH INPUT SIGNAL

Is the inspection result normal?
YES >> GO TO 6
NO >> GO TO 2
2.CHECK TRUNK ROOM LAMP SWITCH CIRCUIT


Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness between BCM and trunk room lamp switch.
3.CHECK TRUNK ROOM LAMP SWITCH GROUND CIRCUIT
Check continuity between trunk room lamp switch connector and ground.

Is the inspection result normal?
YES >> GO TO 4
NO >> Repair or replace trunk room lamp switch ground circuit.
4.CHECK BCM OUTPUT SIGNAL

Is the inspection result normal?
YES >> GO TO 5
NO >> Replace BCM. Refer to BCS "Removal and Installation".
5.CHECK TRUNK ROOM LAMP SWITCH
Refer to DLK "Component Inspection".
Is the inspection result normal?
YES >> GO TO 6
NO >> Replace trunk room lamp switch.
6.CHECK INTERMITTENT INCIDENT
Refer to GI "Intermittent Incident".
>> Inspection End.
1.CHECK TRUNK ROOM LAMP SWITCH

Is the inspection result normal?
YES >> Inspection End.
NO >> Replace trunk room lamp switch.
SYMPTOM DIAGNOSIS
Cleaning exterior
In order to maintain the appearance of your vehicle,
it is important to take proper care of it.
To protect the paint surfaces, please wash your
vehicle as soon as you can:
After a rainfall to prevent possible damage
from acid rain.
After driving on coastal roads.
When contaminants suc ...
Basic inspection
Work Procedure
1.INSPECTION START
1. Check service records for any recent
repairs that may indicate a related malfunction, or a current need for
scheduled maintenance.
2. Open engine hood and check the following:
Harness con ...