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
Before starting the engine
Make sure the area around the vehicle is
clear.
Check fluid levels such as engine oil, coolant,
brake and clutch fluid (if so equipped),
and windshield-washer fluid as frequently as
possible, or at least whenever you refuel.
Check that all windows and lights are clean.
Visually insp ...
P0973 Shift solenoid A
DTC Logic
DTC DETECTION LOGIC
DTC
Trouble diagnosis name
DTC detection condition
Possible causes
P0973
Shift Solenoid "A" Control Circuit
Low
The following diagnosis conditions
are met, and the TCM select
switch ON-OFF solenoid
valve monitor value is ON c ...