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
Engine cooling system
The engine cooling system is filled at the factory
with a pre-diluted mixture of 50% Genuine
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50% water to provide year-round antifreeze and
coolant protection. The antifreeze solution contains
rust and corrosion inhibitors. Additional engine
cooli ...
P0507 ISC system
Description
The ECM controls the engine idle speed to a specified level through the fine
adjustment of the air, which is let
into the intake manifold, by operating the electric throttle control actuator.
The operating of the throttle valve is
varied to allow for optimum control of the engine ...