Mazda CX-5 Service & Repair Manual: Heater Core
Purpose
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The heater core heats passing air.
Function
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A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core.
Construction
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The heater core consists of a tube which passes engine coolant, and the heat radiation fin.
Operation
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The engine coolant warmed by the engine heat is sent to the heater core.
-
The air blown by the blower motor is warmed up by heat exchange when it passes through the heat radiation fin of the heater core.
Fail-safe
-
Function not equipped.
Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine ...
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 ...
Other materials:
Evaporator Temperature Sensor Inspection [Full Auto Air Conditioner]
NOTE:
Inspect the evaporator temperature sensor when it is installed to the A/C
unit.
1. Set the fan speed at MAX HI.
2. Set the temperature control at MAX COLD.
3. Set the RECIRCULATE mode.
4. Turn the A/C switch off.
5. Close all doors and windows.
6. Wait for 5 min.
7 ...
Front Pillar Removal [Panel Replacement]
Symbol Mark
Removal Procedure
CAUTION:
Remove the curtain air bag module to prevent damage before servicing.
Front-side
Rear-side
CAUTION:
Avoid cutting with a blowtorch or similar tools as the insulator (shaded
area) is flammable.
1. Rough cut the ...
PID/Data Monitor Inspection [Adaptive Front Lighting System (Afs)]
1. Connect the M-MDS to the DLC-2.
2. After the vehicle is identified, select the following items from the initialization
screen of the M-MDS.
a. Select “DataLogger”.
b. Select “Modules”.
c. Select “AFS”.
3. Select the applicable PID from the PID table.
4. Verify the PID da ...
