Service manual

–35–
FUEL PUMP SYSTEM
ELEC
5. Fuel pump relay
Disconnect the relay unit from the coupler.
Connect the pocket tester ( 1) and battery
(12 V) to the relay unit ferminals as shown.
Battery positive terminal red/black
Battery negative terminal blue/red
Tester positive probe red/black
Tester negative probe blue/black
1
1
2
3
Does the fuel pump relay have continuity be-
tween red/black and blue/black?
YES NO
Replace the relay unit
6. Fuel pump resistance
Disconnect the fuel pump coupler from the
wire harness.
Connect the pocket tester ( 1) to the fuel
pump coupler (fuel pump side) as shown.
1
2
EB808400
Tester positive probe black/blue
Tester negative probe black
YES NO
Relpace the fuel pump.
Measure the fuel pump resistance.
Fuel pump resistance
4 10 at 20C
Is the fuel pump OK?
7. Wiring
Check the entire fuel pump system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
Is the fuel pump system’s wiring properly con-
nected and without defects?
EB808401
YES NO
Prperly connect or re-
pair the fuel pump
system’s wiring.
Replace the ignitor
unit.