1.CHECK BCM OUTPUT SIGNAL

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

   (+) | (–) | Signal (Reference value)
   Trunk lid opener request switch
   Connector | Terminal
   B153 | 1 | Ground |

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

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

   BCM | Trunk lid opener request switch | Continuity
   Connector | Terminal | Connector | Terminal
   M121 | 61 | B153 | 1 | Existed

3. Check continuity between BCM harness connector and ground.

   BCM | Ground | Continuity
   Connector | Terminal
   M121 | 61 | 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 REQUEST SWITCH GROUND CIRCUIT
Check continuity between trunk lid opener request switch harness connector and ground.

Trunk lid opener request switch | Ground | Continuity
Connector | Terminal
B153 | 2 | Existed

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