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
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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1
Accelerator cable
F–16 Accelerator Cable Installation Note
)
2
Accelerator pedal
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FUEL SYSTEM
F–17
F
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
.)
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
.)
.
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1
Joint hose
(See
F–19 Joint Hose Installation Note
2
Breather hose
(See
F–19 Breather Hose Installation Note
)
3
Evaporative hose
4
Fuel tank
5
Fuel-filler pipe
6
C-ring
7
Filler cap
FUEL SYSTEM
F–19
F
Breather Hose Installation Note
1. Fit the breather hose onto the respective fittings,
and install clamps as shown.
Joint Hose Installation Note
1. Fit the joint hose onto the respective fittings, and
install clamps as shown.
End Of Sie
FUEL TANK INSPECTION
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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.
Note
• This inspection is for two rollover valves integrated in the fuel tank.
1. Disconnect the plastic fuel hose and the fuel pump unit connector. (See
2. Remove the fuel tank with the fuel pump unit. (See
F–18 FUEL TANK REMOVAL/INSTALLATION
3. Plug the fuel pipe of the fuel pump unit.
4. Connect the pump to port A.
5. Level the fuel tank.
6. Apply pressure of –2.0 kpa {–34 mmHg, –1.3
inHg} to port A.
(1) Plug port C and verify there is vacuum from
port B.
• If there is no vacuum, replace the fuel
tank.
7. Apply pressure of +5.9 kPa {+44 mmHg, +1.7
inHg} to port A.
• If there is no airflow, replace the fuel tank.
• If there is airflow, turn the fuel tank
upside-down and proceed to next step.
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