Mazda CX-5 Service & Repair Manual: Thermostat
Purpose, Function
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When the engine coolant temperature is low, the thermostat blocks the engine coolant passage between the radiator and engine. As a result, because engine coolant cycles without passing through the radiator, warming is promoted.
Construction
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The thermostat is installed to the rear part of the cylinder head.
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The thermostat has the following parts:
Operation
1. When the engine coolant temperature decreases, the thermostat valve closes and engine coolant circulates without passing through the radiator.
2. When the engine coolant temperature is 80.5—83.5°C, the thermostat valve starts to open and the engine coolant passed through the radiator flows to the engine.
Thermostat Removal/Installation
WARNING:
Never remove the cooling system cap or loosen the radiator drain plug while
the engine is running, or when the engine and radiator are hot. Scalding engine
coolant and steam may ...
Emissions
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Other materials:
Auto Light System
Outline
The auto light system automatically turns the TNS and headlights on/off according
to the illumination level above and in front of the vehicle.
The auto light system is controlled by the front body control module (FBCM).
The front body control module (FBCM) performs ...
Hood Disassembly/Assembly
1. Disassemble in the order indicated in the table.
1
Fastener
2
Hood insulator
3
Shroud seaming welt
4
Weather strip parting seal
5
Hood component
...
Front Body Control Module (Fbcm) Inspection
1. Remove the fuse box cover..
2. Remove the front body control module (FBCM) from the fuse box..
3. Verify that the voltages of each of the terminals are as indicated in the
Terminal Voltage Table (Reference).
If the voltage is not as indicated in the table, inspect the parts under
...
