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/InstallationGenerator Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
Remove and install all parts when the engine is cold, otherwise they can
cause severe burns or serious injury.
When the battery cables are connected, touching the vehicle body with generator
terminal B will generate sparks. This can cause personal injury, fire, and ...
Wheel Unit Removal/Installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
3. Install the valve core and valve cap, put air into the tire.
CAUTION:
A TPMS wheel unit has an exclusive valve cap and valve core. If a valve core
other than the exclusive one is installed, ...
Steering Switch Removal/Installation
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Disconnect the negative battery cable and wait for 1 min or mo ...