Subsection 02 (FUEL TANK AND FUEL PUMP)
FUEL PU
M
P INPUT VOLTAGE TEST
TEST PROBES
VOLTAGE
READING
Fuel pump
connector
Pin 3
Fuel pump
connector
Pin 4
Battery voltage
If battery voltage is read, carry out a fuel pump
resistance test.
If battery voltage is not read, test fuel pump
power input as follows.
FUEL PU
M
P POWER WIRE TEST
TEST PROBES
VOLTAGE
READING
Fuel pump
connector
Pin 3
Battery ground
Battery voltage
If battery voltage is now read, check fuel pump
ground circuit between fuel pump connector FP-4
and battery ground.
If battery voltage is still not read, check the follow-
ing:
– Fuse (F15)
– Fuel pump relay (R4)
– Fuel pump relay input voltage (control and
power circuits)
– Fuel pump relay control circuit continuity to
ECM-J1
– Wiring and connectors.
Fuel Pump Resistance Test
1. Ensure fuel pump connector is properly con-
nected.
2. Remove fuel pump relay (R4).
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1. Fuel pump relay
3. Measure fuel pump resistance as follows.
FUEL PU
M
P RESISTANCE TEST
(AT FUSE BOX)
TEST PROBES
RESISTANCE
@ 20°C (68°F)
Fuse box
contact A11
Battery
ground
Approximately 2
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FUSE BOX COORDINATES
If resistance test failed, disconnect fuel pump
connector and measure resistance at fuel pump
connector.
FUEL PUMP RESISTANCE TEST
(AT FUEL PUMP CONNECTOR)
Pins 3 and 4
Approximately 2
If test failed at pump connector, replace fuel
pump.
If test succeeded at pump connector, check
wiring and connectors from:
– Fuse box to fuel pump
– Fuel pump to battery ground.
Repair or replace as necessary.
Fuel Pump Access
Remove rear fender, refer to
BODY
subsection.
Fuel System Pressure Release
Refer to
DISCONNECTING A FUEL PRESSURE
HOSE
in this subsection.
Fuel Pump Removal
1. Release the pressure of the fuel system.
2. Disconnect the following from the fuel pump:
– Fuel pump electric connector
– Fuel system vent hose
– Fuel pump pressure hose.
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