Mazda MX-6 1998, Workshop Manual

Page: 476 / 1282

FUEL SYSTEM
1. Complete the “BEFORE REPAIR PROCEDURE".
(Refer to 01-14 BEFORE REPAIR
PROCEDURE.)
2. Disconnect the negative battery cable.
3. Remove the fuel injectors together with the fuel
distributor. (Refer to 01-14 FUEL INJECTOR
REMOVAL/INSTALLATION [FS].)
4. Fasten the fuel injectors firmly to the fuel
distributor with wire.
W 6 U 1 1 4 W A M
W 6 U 1 1 4 W Q 3
Resistance
12— 16 Q (at 20 ‘ C {68 °F})
3. If not as specified, replace the fuel injector.
Fuel Injector Resistance Inspection [KL]
1. Turn off the ignition switch and disconnect the fuel
injector connectors.
2. Measure resistance of the fuel injector with an
ohmmeter at the following conditions.
5. Remove the fuel pump relay.
W 6 U 1 1 4 W A R
FUEL PUMP RELAY
H arness
Term inal
In je c to r No.
Right Bank
a— b 1
a— c 5
a— d 3
Left Bank
d— c 2
d— b 4
d— a 6
Resistance
12— 16 £2 [20 °C {68 °F}]
3. If not as specified, inspect continuity of the
harness and Inspect for poor connection.
4. If the harness is okay, replace the fuel injector.
Fuel Leakage Test [FS]
Warning
•
Fuel line spills and leaks 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 fuel pump relay
socket terminals may possibly cause a
malfunction. Carefully connect the
specified terminals only.
6. Connect the fuel pump relay socket terminals 30
and 87 by using a jumper wire.
Caution
•
Before connecting the negative battery
cable be sure all fuel connections, clamps
and fittings are secure. Fuel pump will
operate
at full
pressure
anytime the
cable
is connected to the battery. When the
RIGHT
BANK
W 6 U 1 1 4 W N M
LEFT
BANK
0 1 -1 4 -1 2