1.CHECK TRUNK LID OPENER SWITCH INPUT SIGNAL
Turn ignition switch OFF.
Disconnect trunk lid opener switch connector.
Check signal between trunk lid opener switch harness connector and ground using oscilloscope.
(+)
(–)
Signal
(Reference value)
Trunk lid opener switch
Connector
Terminal
M20
1
Ground
Is the inspection result normal?
YES
>>
GO TO 3
.
NO
>>
GO TO 2
.
2.CHECK TRUNK LID OPENER SWITCH CIRCUIT
Disconnect BCM connector.
Check continuity between BCM harness connector and trunk lid opener switch harness connector.
BCM
Trunk lid opener switch
Continuity
Connector
Terminal
Connector
Terminal
M121
67
M20
1
Existed
Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M121
67
Not existed
Is the inspection result normal?
YES
>>
Replace BCM. Refer to
Removal and Installation
.
NO
>>
Repair or replace harness.
3.CHECK TRUNK LID OPENER SWITCH GROUND CIRCUIT
Check continuity between trunk lid opener switch harness connector and ground.
Trunk lid opener switch
Ground
Continuity
Connector
Terminal
M20
2
Existed
Is the inspection result normal?
YES
>>
GO TO 4
.
NO
>>
Repair or replace harness.
4.CHECK TRUNK LID OPENER SWITCH
Refer to
Component Inspection
.
Is the inspection result normal?
YES
>>
GO TO 5
.
NO
>>
Replace trunk lid opener switch. Refer to
Removal and Installation
.
5.CHECK INTERMITTENT INCIDENT
Refer to
Intermittent Incident
.
>>
INSPECTION END