| Components |

Removal 1. Disconnect the negative (-) battery terminal. 2. Open the trunk, remove the left trunk trim. (Refer to Body - "Trunk Trim") 3. Remove the external amplifier (C) after disconnecting the connector (A),(B) and loosening the mounting nuts.
Removal Front Keyboard Unit 1. Disconnect the negative (-) battery terminal. 2. Remove the floor console upper cover. (Refer to Body - "Floor Console Assembly") 3.
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the lower crash pad switch assembly (A) after disengaging the mounting clip. 4. Remove the rheostat switch connector (A).
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and fall with lower intensive light.