Mazda CX-5 Service & Repair Manual: Fuel Pump Relay
Purpose, Function
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Controls the fuel pump on/off according to control signals from the PCM.
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The fuel pump is operated only at engine start or when the engine is running to improve safety.
Construction
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The fuel pump relay is installed in the relay and fuse block.
Operation
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The contact point is on when the battery voltage is supplied to the coil based on the signal from the PCM, and the battery voltage is supplied to the fuel pump control module.
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For the fuel pump control, refer to CONTROL SYSTEM..
Fail-safe
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Function not equipped.
Fuel Pressure Sensor
Purpose/Function
Detects the fuel pressure in the fuel distributor as basic information for
mainly determining the fuel injection amount.
Detects the fuel pressure in the fuel distri ...
Fuel Tank Pressure Sensor Inspection
Voltage Inspection
NOTE:
The fuel tank pressure sensor cannot be removed as a single unit. When replacing
the fuel tank pressure sensor, replace it together with the charcoal canister
a ...
Other materials:
Air Cleaner Element Inspection
1. Remove the air cleaner element..
2. Inspect the following items:
Has the replacement interval past?
Is the air cleaner element soiled, damaged, or bent?
Are the air cleaner case and the air cleaner element correctly sealed?
Is the correct air cleaner element inst ...
Liftgate Adjustment
1. Measure the gap and height difference between the liftgate and the body.
2. Loosen the liftgate hinge installation bolts and adjust the liftgate.
Standard clearance
a: 5.2?7.2 mm {0.21?0.28 in}
b: -2.0?0 mm {-0.078?0.000 in}
c: 3.8?6.2 mm {0.15?0.24 in}
d: ...
Front Combination Light
Purpose
Parts related to the front exterior lights are grouped and housed together
such as the headlight, front turn/parking light, headlight leveling actuator,
wiring harnesses, and connectors.
Function
Each light illuminates or flashes when the light switch, turn switch, ...
