Mazda 3 Service Manual: Before Service Precaution [Mzr 2.0, Mzr 2.5]
WARNING:
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Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
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Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the “Fuel Line Safety Procedure”.
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A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before performing work on the fuel system, discharge static electricity by touching the vehicle body.
Fuel Line Safety Procedure
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the fuel-filler cap to release the pressure inside the fuel tank.
4. Remove the fuel pump relay.
5. Connect the negative battery cable..
6. Start the engine.
7. After the engine stalls, crank the engine 2—3 times.
8. Switch the ignition to off.
9. Disconnect the negative battery cable..
10. Install the fuel pump relay.
After Service Precaution [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious
injuries or death and damage. When installing the fuel hose, perform “Fuel Leakage
Inspection” desc ...
Fuel Filler Cap Inspection [Mzr 2.0, Mzr 2.5]
Leakage Inspection
1. Perform the following SST (Evaporative Emission System Tester 134-01049A)
self-test:
NOTE:
If the tester does not work correctly during self-test, refer to the teste ...
Other materials:
Body Control Module (Bcm) Inspection
1. Remove the following parts:
a. Front scuff plate (LH).
b. Front side trim (LH).
c. Upper panel.
d. Shift knob (MTX).
e. Selector lever knob (ATX).
f. Shift panel.
g. Side wall.
h. Console.
2. Set the hood release lever out of the way..
3. Remove the lower panel. (driver-side). ...
Heated Oxygen Sensor (HO2 S) Inspection [Mzr 2.0, Mzr 2.5]
HO2S Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S12 (HO2S output voltage)
5. Drive ...
Clock Spring Adjustment
NOTE:
The adjustment procedure is also specified on the caution label of the clock
spring.
1. Set the front wheels straight ahead.
CAUTION:
The clock spring will break if over–wound. Do not forcibly turn the clock
spring.
2. Turn the clock spring clockwise until i ...
