Mazda 323 1988 Workshop Manual page 315

FUEL SYSTEM
4B
83"048-C
83UO48-06
66
7
INSPECTION
Fuel Pump (Operation Test)
1. Connect a jumper wire to the test connector
(Yellow).
2. Open the fuel tank lid, and fuel filler cap.
3. Turn the ignition switch ON.
4. Check that the fuel pump operation sound
5. Shut the fuel filler cap, and fuel tank lid.
6. If operation sound is not produced, check the volt-
age at the fuel pump connector.
Voltage: 12V
(IG: ON, Voltmeter [OR and B] connected)
7. If the voltage is normal, replace the fuel pump.
Fuel pump (Volume test)
Warning
Before performing following procedures, re-
lease the fuel pressure to reduce the possi-
bility of injury or fire. (Refer to page 48-37)
I. Connect a jumper wire to test connector (Yellow
connector).
2. Disconnect the fuel return hose from fuel return
pipe.
3. Turn the ignition switch ON for 10 seconds, and
check the feeding capacity with graduated
cylinder.
Feeding capacity:
220-380 cc (13.4-23.2 c&in)/10 set when
fuel pressure at 250 kPa (2.55 kg/cm*, 38.3
Psi)
4. If not within specification, check the fuel filter, and
fuel line.
323
Revised 10187
48-43