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:
Steering Switch Removal/Installation
WARNING:
Handling the driver-side air bag module improperly can accidentally operate
(deploy) the air bag module, which may seriously injure you. Read the service
warnings and cautions before handling the air bag module..
1. Switch the ignition OFF (LOCK).
2. Disconnect the neg ...
Rear Drive Shaft
Purpose, Function
Engine noise and vibration have been reduced due to adoption of a bell joint
on the wheel side of the constant velocity joint.
A low noise and vibration double offset joint with low slide resistance has
been adopted for the differential side of the constant vel ...
Fuel Injection Control System
Outline
Performs optimum fuel injection according to engine operation conditions.
The PCM determines the engine operation conditions based on the signals from
each input device and drives the fuel injectors at the optimal fuel injection
time (fuel injection amount) and the fuel ...
