Mazda 3 Service Manual: Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
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If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
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If there is any bending, use the end of a flathead screwdriver to straighten the fins.
3. Visually inspect the heater hose for deformation.
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Repair with pliers if there is deformation. If there is any malfunction, replace the heater core.
HVAC SST
49 B061 014
Spring Lock Coupling Disconnect Tool
49 G061 001
Spring Lock Coupling Disconnect Tool
49 B061 015A
Holder
...
Rear Heat Duct Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper panel.
b. Shift lever knob (MTX).
c. Selector lever knob (ATX).
d. Shift panel.
e. Side wall.
f. Consol ...
Other materials:
Dashboard Illumination
When the position lights are turned
on with the ignition switched ON,
the brightness of the instrument panel
illumination is dimmed.
NOTE
When the position lights are turned on,
the position lights indicator light in the
instrument cluster turns on.
Refer to Headlights on .
The brightness ...
Key Interlock System Inspection
Key Interlock System Inspection
1. Switch the ignition to ON.
2. Perform the following procedures to inspect the key interlock system.
If there is any malfunction, inspect the key interlock solenoid and NOT P
position switch..
a. Verify that the ignition cannot be switched to off ...
Audio Unit Disassembly/Assembly
CAUTION:
When disassembling the audio unit, it could get scratched if it is placed
directly on the ground. When disassembling the audio unit, spread a soft cloth
underneath to perform the work.
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order ...
