Mazda CX-5 Service & Repair Manual: Before Service Precaution

Mazda CX-5 Service & Repair Manual / Engine / Fuel / Before Service Precaution

WARNING:

Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”.
A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before performing work on the fuel system, discharge static electricity by touching the vehicle body.

Fuel Line Safety Procedure

1. Disconnect the negative battery cable..

2. Remove the fuel-filler cap to release the pressure inside the fuel tank.

3. Remove the fuel pump relay.

4. Disconnect the high pressure fuel pump connector.

5. Connect the negative battery cable..

6. Start the engine.

7. After the engine stalls, crank the engine 2—3 times.

8. Switch the ignition to off.

9. Disconnect the negative battery cable..

10. Install the fuel pump relay.

11. Connect the high pressure fuel pump connector.

After Service Precaution

WARNING: Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. When installing the fuel hose, perform “Fuel Leakage Inspection” ...

Check Fuel Cap Warning Light

Purpose/Function The check fuel cap warning light is built into the instrument cluster. If the PCM detects that the fuel cap is open, the light illuminates to warn the driver that th ...

Other materials:

PCM Configuration (Using As Built Data)
NOTE: If the configuration is performed using As-Built data, the set value of the personalization function is reset to the initial value (condition when shipped from factory). Verify the set value with the customer and perform the personalization function setting after performing th ...

Knock Sensor (Ks)
Purpose/Function Detects abnormal combustion in the cylinder as basic information for mainly determining the ignition timing. Detects abnormal combustion in the combustion chamber and inputs it to the PCM as a knocking signal. Construction Installed on the cylinder ...

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 and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”, while referring ...