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:

Heated Oxygen Sensor (HO2 S)
Purpose/Function Detects the oxygen concentration (theoretical air/fuel ratio) in the exhaust gas as basic information for mainly determining the fuel injection amount and as information for determining the deterioration of catalytic converter. Detects the oxygen concentration ( ...

Throttle Body Inspection
Resistance Inspection 1. Disconnect the negative battery cable.. 2. Disconnect the throttle body connector. 3. Measure the resistance between throttle body terminals E and F. Throttle body resistance 1.38 ohms [20°C {68 °F}] If not as specified, replace the throttle ...

Pre Tensioner Seat Belt [Two Step Deployment Control System]
Purpose The pre-tensioner seat belt retracts and tightens the seat belt webbing to protect the front passengers during a collision. Function The pre-tensioner seat belts operate (deploy) based on the operation signal from the SAS control module to instantly retract and tigh ...