Leakage Inspection

WARNING:

Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. To prevent this, complete the following inspection with the engine stopped.

Follow "BEFORE SERVICE PRECAUTION" before performing any work operations to prevent fuel from spilling from the fuel system. (See BEFORE SERVICE PRECAUTION .)
Remove the battery cover.
Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
Remove the fuel injector and fuel distributor as a single unit. (See FUEL INJECTOR REMOVAL/INSTALLATION .)
Fix the fuel injector to the fuel distributor with a wire or the equivalent.
Connect the fuel hose.
Start the fuel pump using the following procedure:

Fig 1: Fixing Fuel Injector To Fuel Distributor With Wire
Courtesy of MAZDA MOTORS CORP.

Using WDS or equivalent
1. Connect the negative battery cable.
2. Connect the WDS or equivalent to the DLC-2.
3. Start the fuel pump using the "FP" simulation function.
  
  Fig 2: Locating DLC-2 Connector
  Courtesy of MAZDA MOTORS CORP.
Not using WDS or equivalent
1. Short the check connector terminal F/P to ground using a jumper wire.
  
  Fig 3: Checking Connector Terminal F/P To Ground Using Jumper Wire
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 4: Identifying F/P Connector Terminal
  Courtesy of MAZDA MOTORS CORP.
2. Turn the ignition switch to the ON position to operate the fuel pump.
NOTE:
- Prepare a container to collect the gasoline.
Tilt the fuel injector at an angle of 24° to inspect for leakage.
- If not within the specification, replace the fuel injector. (See FUEL INJECTOR REMOVAL/INSTALLATION .
  
  Fig 5: Tilting Fuel Injector
  Courtesy of MAZDA MOTORS CORP.
Fuel injector leakage amount

Less than 1 drop/2 min
Stop the fuel pump using the following procedure:
Using WDS or equivalent
1. Stop the fuel pump using the "FP" simulation function.
Not using WDS or equivalent
1. Turn the ignition switch to off to stop the fuel pump.
Remove the battery cover.
Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [LF] .)
Remove the wire or equivalent securing the fuel injector.
Install the fuel injector. (See FUEL INJECTOR REMOVAL/INSTALLATION .)
Complete the "AFTER SERVICE PRECAUTION". (See AFTER SERVICE PRECAUTION .)