1.CHECK TRUNK LID OPENER INPUT SIGNAL

1. Turn ignition switch OFF.
2. Disconnect trunk lid lock assembly connector.
3. Check voltage between trunk lid lock assembly harness connector and ground.

(+) | (–) | Condition | Voltage (V) (Approx.)
Trunk lid lock assembly
Connector | Terminal
B352 | 3 | Ground | Trunk lid opener switch | Pressed | 0 → Battery voltage → 0

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

1. Disconnect BCM connector.
2. Check continuity between BCM harness connector and trunk lid lock assembly harness connector.

   BCM | Trunk lid lock assembly | Continuity
   Connector | Terminal | Connector | Terminal
   M120 | 23 | B352 | 3 | Existed

3. Check continuity between BCM harness connector and ground.

   BCM | Ground | Continuity
   Connector | Terminal
   M120 | 23 | 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 ACTUATOR GROUND CIRCUIT
Check continuity between trunk lid lock assembly harness connector and ground.

Trunk lid lock assembly | Ground | Continuity
Connector | Terminal
B352 | 2 | Existed

Is the inspection normal?
YES>>Replace trunk lid lock assembly. Refer to Removal and Installation
NO>>Repair or replace harness.