Mazda 3 Service Manual: Antenna Amplifier Inspection
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Vehicles with auto light/wiper system)
4. Partially peel back the seaming welts.
5. Remove the following parts:
a. Sunroof seaming welt (vehicles with sunroof)
b. A-pillar trim.
c. Front scuff plate.
d. Rear scuff plate.
e. B-pillar lower trim.
f. Upper anchor of the front seat belt.
g. B-pillar upper trim.
h. Rear seat cushion.
i. Tire house trim.
j. C-pillar trim.
k. Map light.
l. Sunvisor.
m. Assist handle.
n. Headliner.
6. Connect the negative battery cable..
7. Switch the ignition to ON.
8. Verify that voltage is B+ at the antenna amplifier terminal A.
With audio unit (without display)
With audio unit (with display)
-
If the battery voltage can be verified, replace the antenna amplifier.
9. Verify that the continuity between antenna amplifier terminals is as indicated in the table. (with SIRIUS satellite radio system)
-
If not as indicated in the table, replace antenna amplifier.
Entertainment
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Antenna Amplifier Removal/Installation
With Audio Unit (Without Display)
1. Disconnect the negative battery cable..
2. Remove the rain sensor cover. (Vehicles with auto light/wiper system).
3. Disconnect the rain sensor connector. (Ve ...
Other materials:
Positive Crankcase Ventilation (PCV) Valve Removal/Installation [Mzr 2.0, Mzr
2.5]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the intake manifold and the fuel distributor component as a single
unit..
4. Remove in the order indicated in the table.
1
Oil separator
2
Retainer
...
Sunlight/Temperature Sensor
The climate control system measures
inside and outside temperatures, and
sunlight. It then sets temperatures inside
the passenger compartment accordingly.
CAUTION
Do not obstruct either sensor,
otherwise the climate control system
will not operate properly.
...
Variable Tumble Shutter Valve Switch Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
The variable tumble shutter valve switch cannot be removed as a single unit.
When replacing the variable tumble shutter valve switch, replace it together
with the intake manifold as a single unit.
1. Connect the M-MDS to the DLC–2.
2. Switch the ig ...
