Mazda CX-5 Service & Repair Manual: Relay And Fuse Block
Purpose
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Relays and fuses used by each system are grouped and housed together for smooth inspection and replacement servicing.
Function
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Relays and fuses used by each system are grouped and housed together.
Construction
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Installed in the engine compartment.
Operation
Relay operation
1. When electric current flows to the coil, electromagnetic power is generated.
2. The switch is attracted by the generated electromagnetic power and it switches on.
3. Electric current flows to each part that is downstream of the switch.
Fuse operation
1. If electric current to each fuse is the specified value or more, the fuse melts due to heat generation.
2. Interrupts electric current flow downstream of the fuse.
Fail-safe
-
Function not equipped.
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring ha ...
Relay And Fuse Block Disassembly/Assembly
1. Insert a tape-wrapped flathead screwdriver into the service hole in the position
shown in the figure.
2. Move the flathead screwdriver in the direction of the arrow (1) shown in the
figur ...
Other materials:
Fuel Injector
Purpose, Function
Promotes atomization of fuel by injecting it from the multiple holes.
Injects fuel according to the control signal from the PCM.
Construction
The fuel injector is installed to the cylinder head.
The fuel injector has multiple injection hole ...
Front Wheel Hub Bolt Replacement
1. Remove the brake calliper component from the steering knuckle and suspend
it out of the way using a cable.
2. Remove the disc plate.
3. Remove the wheel hub bolt using the SST as shown in the figure.
4. Place a new wheel hub bolt in the wheel hub.
5. Install the wheel hub by placi ...
Heated Oxygen Sensor (HO2 S) Heater Control
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 start is made possible for improved cold temperature exhaust
emission performance.
Both ...
