1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the front door speaker..
5. Verify the resistance between the front door speaker terminals.

If not within the specification, replace the front door speaker.

Without Bose®: 3.4—4.6 ohms
With Bose®: 1.83—2.47 ohms
Front Center Speaker Removal/Installation
Front Door Speaker Removal/InstallationGenerator Disassembly/Assembly [Mzr 2.0, Mzr 2.5]
CAUTION:
Melt the solder quickly, otherwise the diodes (rectifier) and regulator will
be damaged by excessive heat.
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of disassembly.
MZR 2.0
1
Rotor component
...
Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
If there is any bending, use the end of a flathead screwdriver to straighten
the fins.
3. Visually inspect ...
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, ...