1.CHECK BCM OUTPUT SIGNAL

1. Turn ignition switch OFF.
2. Disconnect trunk lid opener cancel switch connector.
3. Check signal between trunk lid opener cancel switch harness connector and ground using oscilloscope.

   (+) | (–) | Signal (Reference value)
   Trunk lid opener cancel switch
   Connector | Terminal
   M105 | 1 | Ground |

Is the inspection result normal?
YES>>GO TO 3.
NO>>GO TO 2.
2.CHECK TRUNK LID OPENER CANCEL SWITCH CIRCUIT

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and trunk lid opener cancel switch harness connector.

   BCM | Trunk lid opener cancel switch | Continuity
   Connector | Terminal | Connector | Terminal
   M123 | 129 | M105 | 1 | Existed

3. Check continuity between BCM harness connector and ground.

   BCM | Ground | Continuity
   Connector | Terminal
   M123 | 129 | Not existed

Is the inspection result normal?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Repair or replace harness or connector.
3.CHECK TRUNK LID OPENER CANCEL SWITCH GROUND CIRCUIT
Check continuity between trunk lid opener cancel switch harness connector and ground.

Trunk lid opener cancel switch | Terminal | Ground | Continuity
M105 | 2 | Existed

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
4.CHECK TRUNK LID OPENER CANCEL SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Replace trunk lid opener cancel switch. Refer to Removal and Installation.
5.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END