ELECTRICAL SYSTEM
L3560, L4060, L4760, L5060, L5460, L6060, WSM
9-S78
(4) Fuel Pump
• Firstly check the connector voltage, secondly check the other wires continuity, then finally check the
pump resistance.
9Y1210824ELS0106US0
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.
9Y1210824ELS0107US0
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 faulty.
9Y1210824ELS0108US0
Voltage
Main switch at
"ON"
Terminal 1 –
chassis
Approx. battery
voltage
(1) Fuel Pump (2) Connector (Harness Side)
(1) Connector (Pump Side)
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