Subsection 02 (FUEL TANK AND FUEL PUMP)
TEST RESULT
SERVICE ACTION
5V is not read
Test wiring continuity
between fuel level
sender and multifunction
gauge
Wiring continuity is good
Replace multifunction
gauge
Wiring continuity is not
obtained
Repair or replace wiring
Fuel Level Sender Replacement
Replace fuel pump. Refer to
FUEL PUMP
in this
subsection.
FUEL TANK VENT VALVES
Fuel Tank Vent Valve Test
Inlet Check Valve Test
1. Remove rear body module, refer to
BODY
sub-
section.
2. Remove multifunction gauge for access to
the vent system inlet hose, refer to the
LIGHTS/GAUGE/ACCESSORIES
subsection.
3. Install a small hose pincher between the vent
pressure relief valve and the fuel pump vent in-
let.
REQUIRED TOOL
SMALL HOSE PINCHER
(P/N 295 000 076)
vmr2015-130-002_d
1. Pressure relief valve
2. Fuel pump vent inlet
3. Install small hose pincher here
4. Connect the vacuum/pressure pump to the fuel
tank vent hose inlet.
REQUIRED TOOL
VACUUM/PRESSURE PUMP
(P/N 529 021 800)
vmr2012-028-008_a
1. Fuel tank vent hose inlet
2. Gauge connector
5. Remove fuel tank cap.
6. Set vacuum/pressure pump to
PRESSURE
and
activate pump. The gauge on the pump
should
not change in reading
.
7. Set vacuum/pressure pump to
VACUUM
and
activate pump. The
gauge should increase in
reading
.
If the test failed, carry out the following:
– Ensure breather filter is properly installed, refer
to
PERIODIC MAINTENANCE PROCEDURES
.
– Ensure inlet check valve is properly installed, re-
fer to
FUEL TANK VENT VALVE INSTALLATION
in this subsection.
– Test inlet check valve separately. If good, re-
place the breather filter, refer to
PERIODIC
MAINTENANCE PROCEDURES
.
Pressure Relief Valve Test
1. Install the small hose pincher between the inlet
check valve and the fuel pump vent inlet fitting.
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