Mazda CX-5 Service & Repair Manual: Fuel Pump Unit Inspection
Continuity Inspection
1. Disconnect the negative battery cable..
2. Disconnect the fuel pump unit connector.
3. Inspect for continuity between fuel pump unit terminals B—D.
-
If there is no continuity, replace the fuel pump unit..
Fuel Pump Unit Disassembly/Assembly
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Fuel Pump Unit Removal/Installation
WARNING:
Fuel is very flammable liquid. If fuel spills or leaks from the pressurized
fuel system, it will cause serious injury or death and facility breakage. Fuel
can also irritate skin ...
Other materials:
Crankshaft Position (CKP) Sensor Inspection
Visual Inspection
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
...
Fuel Tank Pressure Sensor
Purpose/Function
The fuel tank pressure sensor detects the fuel tank pressure.
Fuel tank pressure sensor is only used for OBD.
Construction
The fuel tank pressure sensor is equipped to the charcoal canister.
A piezoelectric-type sensor has been adopted.
...
Fuel Shut Off Valve
U.S.A. And CANADA
Purpose, function
Prevents fuel from flowing to the charcoal canister during tight turns or
vehicle rollover.
Releases evaporative gas to the charcoal canister.
While refueling, the fuel shut-off valve closes to prevent a fuel overflow.
Construction ...
