Caution
Note
Continuity Inspection
Note
1. Disconnect the negative battery cable.
2. Remove the service hole cover. (See FUEL PUMP UNIT REMOVAL/INSTALLATION.)
3. Disconnect the fuel pump unit connector.
4. Inspect for continuity between fuel pump unit connector terminals B and D.
Circuit Open/Short Inspection
Inspect the following wiring harnesses for open or short circuit (continuity check).
Open circuit
- Fuel pump unit terminal D (harness-side) and body GND.
- Fuel pump relay terminal D (harness-side) and fuel pump unit terminal B (harness-side).
Short circuit
- Fuel pump unit terminal D (harness-side) and power supply.
- Fuel pump unit terminal B (harness-side) and body GND.
Fuel Pump Hold Pressure Inspection
Warning
Caution
Note
1. Complete the BEFORE REPAIR PROCEDURE. (See BEFORE REPAIR PROCEDURE.)
2. Disconnect the negative battery cable.
3. Remove the air cleaner.
Caution
4. Disconnect the quick release connector from the fuel tank as follows:
(1) Push the tab on the locking coupler 90°
until it stops.
(2) Pull the fuel hose straight back.
Note
5. Cover the disconnected quick release connector with vinyl sheet or the like to prevent it from being scratched or contaminated with foreign material.
6. Turn the lever 90 degrees
against the hose of the SST
to plug the SST
outlet.
7. Push the SST
quick release connector into the fuel pipe until a click is heard.
8. Set the fuel hose into a container to avoid fuel spills.
9. Connect the negative battery cable.
Caution
10. Short the check connector terminal F/P to body GND using a jumper wire.
11. Turn the ignition switch to ON to operate the fuel pump.
12. Turn the ignition switch to LOCK position.
13. Measure the fuel pump hold pressure after 5 minutes.
- Fuel line for clogging or leakage
Fuel pump hold pressure More than 200 kPa {2.0 kgf/cm2, 29 psi}
14. Disconnect the jumper wire.
15. Disconnect the SST
.
Note
16. Inspect the plastic fuel hose and fuel pipe sealing surface for damage and deformation, and replace as necessary.
17. Apply a small amount of clean engine oil to the sealing surface of the fuel pipe.
18. Reconnect the plastic fuel hose straight to the fuel pipe until a click is heard.
19. Lightly pull and push the quick release connector a few times by hand and verify that it can move 2.0-3.0 mm {0.08-0.11 in}
and it is connected securely.
20. Complete the AFTER REPAIR PROCEDURE. (See AFTER REPAIR PROCEDURE.)
Mazda 6 Service Manual: Interior Care
WARNING
Do not spray water into the vehicle cabin: Spraying water into the
vehicle cabin is dangerous as electrical devices such as the audio and switches
could get wet resulting in a malfunction or vehicle fire.
NOTE
Do not wipe the interior using alcohol, chlorine bleach, or organic solv ...
Mazda 6 Service Manual: Advisory messages
You'll find several Warnings, Cautions, Notes, Specifications and Upper
and Lower Limits in this manual.
Warning
A Warning indicates a situation in which serious injury or death
could result if the warning is ignored.
Caution
A Caution indicates a situation in which damage to ...