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Mazda 6. Manual - part 120

F–16

INTAKE-AIR SYSTEM

2. Inspect the following wiring harness for open or

short (continuity check).

Open circuit

• If there is no continuity, the circuit is open. Repair

or replace the harness.
— Variable tumble control solenoid valve

terminal B (harness-side) and PCM terminal
4T

— Variable tumble control solenoid valve

terminal A (harness-side) and main relay
terminal C (harness-side)

Short circuit

• If there is continuity, the circuit is shorted. Repair

or replace the harness.
— Variable tumble control solenoid valve terminal B (harness-side) and body GND
— Variable tumble control solenoid valve terminal A (harness-side) and power supply

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ACCELERATOR PEDAL REMOVAL/INSTALLATION

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1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.

Accelerator Cable Installation Note

1. Carry out the “ACCELERATOR CABLE

INSTALLATION/ADJUSTMENT” procedure after
installing the accelerator cable. (See

F–16

ACCELERATOR CABLE INSPECTION/
ADJUSTMENT

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ACCELERATOR CABLE INSPECTION/ADJUSTMENT

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1. Verify that the throttle valve is closed.
2. Pull the accelerator cable in the directions of A

and B, and measure the free play.

• If not as specified, adjust by turning locknut C.

Free play

1.0—3.0 mm {0.04—0.11 in}

Tightening torpue

9.8—14.7 N·m {100—150 kgf·cm, 87—130

in·lbf}

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Accelerator cable

F–16 Accelerator Cable Installation Note

)

Accelerator pedal

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FUEL SYSTEM

F–17

BEFORE REPAIR PROCEDURE

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Warning

• Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep

sparks and flames away from fuel.

• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and

damage. Fuel can also irritate skin and eyes. To prevent this, always complete the following “Fuel
Line Safety Procedure”.

Fuel Line Safety Procedure

Note

• Fuel in the fuel system is under high pressure also when the engine is not running.

1. Remove the fuel-filler cap and release the pressure in the fuel tank.
2. Remove the fuel pump relay.
3. Start the engine.
4. After the engine stalls, crank the engine several

times.

5. Turn the ignition switch to LOCK position.
6. Install the fuel pump relay.

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AFTER REPAIR PROCEDURE

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Warning

• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and

damage. When installing the fuel hose, observe “Fuel Leakage Inspection” described below.

Fuel Leakage Inspection

Warning

• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and

damage. Always carry out the following procedure with the engine stopped.

Caution

• Connecting the wrong check connector terminal may possibly cause malfunction. Carefully

connect the specified terminal only.

1. Short the check connector terminal F/P to body

GND using a jumper wire.

2. Turn the ignition switch to ON position to operate

the fuel pump.

3. Pressurize the system in this way for at least 5

minutes to be sure of no leakage.

• If there is fuel leakage, inspect the fuel hoses,

hose clamps, and fuel pipe sealing surface,
and replace as necessary.

4. After repair, assemble the system and repeat

Steps 1 to 3.

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FUEL SYSTEM

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F–18

FUEL SYSTEM

FUEL TANK REMOVAL/INSTALLATION

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Warning

• Repairing a fuel tank that has not been properly steam cleaned can be dangerous. Explosion or

fire may cause death or serious injury. Always properly steam clean a fuel tank before repairing it.

• Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and

damage. Fuel can also irritate skin and eyes. To prevent this, do not damage the sealing surface of
the fuel pump unit when removing or installing.

Caution

• Disconnecting/connecting the quick release connector without cleaning it may possibly cause

damage to the fuel pipe and quick release connector. Always clean the quick release connector
joint area before disconnecting/connecting using a cloth or soft brush, and make sure that it is
free of foreign material.

1. Level the vehicle.
2. Complete the “BEFORE REPAIR PROCEDURE”. (See

F–17 BEFORE REPAIR PROCEDURE

3. Disconnect the negative battery cable.
4. Remove the fuel pump unit. (See

F–22 FUEL PUMP UNIT REMOVAL/INSTALLATION

5. Siphon the fuel from the fuel tank.
6. Remove the middle pipe. (See

F–35 EXHAUST SYSTEM REMOVAL/INSTALLATION

7. Remove in the order indicated in the table.
8. Install in the reverse order of removal.
9. Complete the “AFTER REPAIR PROCEDURE”. (See

F–17 AFTER REPAIR PROCEDURE

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Joint hose
(See

F–19 Joint Hose Installation Note

)