wsm L3301 - Fuel Pump

ELECTRICAL SYSTEM
L3301, L3901, L4701, WSM
9-S45
(4) Fuel Pump
NOTE
• Firstly check the connector voltage, secondly check the other wires continuity, then finally check the
pump resistance.
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Connector Voltage
1. Disconnect the connector, and turn the main key switch "ON"
position.
2. Measure the voltage with a voltmeter across the terminals
shown in the table below.
3. If the reference value is not indicated as shown in the table
below, check the relating electric circuit.
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Pump Actuation Test
1. Connect a jumper lead from the terminal 1 to the battery positive
terminal post.
2. Connect a jumper lead from the terminal 2 to the battery
negative terminal post.
3. If the pump does not work, pump is damaged.
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Voltage
Main
switch at
"ON"
Terminal 1 –
Chassis
Approx. battery voltage
(1) Fuel Pump (2) Connector (Harness Side)
(1) Connector (Pump Side)
KiSC issued 09, 2016 A