Perform Precaution Before Service

WARNING:

Always keep sparks and flames away from fuel. Fuel can easily ignite which could cause serious injury or death, and damage to equipment.
Highly pressurized fuel may spray out if the fuel line is cut. Due to the following dangers occurring with a fuel spray, perform the [BEFORE SERVICE PRECAUTION] before servicing to prevent the fuel from spraying.
- Fuel may cause irritation if it comes in contact with skin and eyes.
- If fuel ignites and causes a fire, it may lead to serious injury or death, and damage to property and facilities.
A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before servicing the fuel system, make sure to discharge static electricity by touching a vehicle.

CAUTION:

If foreign matter enters the fuel passage, it could cause serious damage to the fuel injection related parts. When removing/installing the fuel injection related parts, pay close attention so that foreign matter does not enter the fuel passage.

Remove the fuel pump relay.

Courtesy of MAZDA MOTORS CORP.

COMPONENT OPERATIONS

Component No.	Refer to
1	Fuel pump relay

Disconnect the high pressure fuel pump connector.
Connect the negative lead-acid battery terminal.
Start the engine.
After engine stall, crank the engine 2 to 3 times repeatedly and verify that the engine idling condition is not maintained (to relieve pressure in fuel pipe).
Switch the main power OFF.
Disconnect the negative lead-acid battery terminal.
Install the fuel pump relay.
Connect the high pressure fuel pump connector.