1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.

If not within the specification, replace the bass-box.

0.9—1.1 ohms
Auxiliary Jack/Usb Port Removal/Installation
Bass Box Removal/InstallationSupplier Identification Procedure [Audio]
Identification Using the Label or Inscribed Lettering
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove the audio unit..
4. Verify the supplier by referring to the label attached to each unit.
Verify Using the Diagnostic Assist Function
Without display
...
Slide Motor Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable and wait 1 min or more..
3. Disconnect the slide motor connector.
4. Apply battery positive voltage to the slide motor terminals and inspect the
slide motor operation
If not as specified, replace the front sea ...
Relay Block Inspection [With Advanced Keyless Entry And Push Button Start System]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Driver-side front scuff plate.
b. Driver-side front side trim.
c. Hood release lever.
d. Upper panel.
e. Shift knob (MTX)(See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION
[G66M-R].)(See MANUAL TRANSAX ...