Mazda CX-5 Service & Repair Manual: Heater Core
Purpose
-
The heater core heats passing air.
Function
-
A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core.
Construction
-
The heater core consists of a tube which passes engine coolant, and the heat radiation fin.
Operation
-
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:
Tie Rod Inspection
1. Inspect for bending and damage.
If there is any malfunction, replace the tie rod.
2. Inspect for excessive play.
If there is any malfunction, replace the tie rod.
3. Swing the tie rod five times.
4. Measure the swing torque of the tie rod using a pull scale.
...
Engine Coolant
Inspecting Coolant Level
WARNING
Do not use a match or live flame in the engine compartment. DO NOT ADD COOLANT
WHEN THE ENGINE IS HOT:
A hot engine is dangerous. If the engine has been running, parts of the engine
compartment can become very hot. You could be burned.
Carefully inspect the e ...
Low Fuel Warning Light
Purpose
The low fuel warning light warns the driver that the remaining fuel level
is low.
Function
The instrument cluster calculates the fuel quantity based on the following
CAN signals, and if a remaining fuel amount of approx. 10 L {2.6 US gal, 2.2
Imp gal} (fuel gauge ...
