ELECTRICAL SYSTEM
L3301, L3901, L4701, WSM
9-S43
(2) SCV (Suction Control Valve)
• Firstly check the connector voltage, secondly check the other wires continuity, then finally check the SCV
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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SCV Resistance
1. Measure the resistance with an ohmmeter across the terminals
shown in the table below.
2. If the reference value is not indicated, the SCV is damaged.
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Voltage
Main
switch at
"ON"
Terminal 2 –
Chassis
Approx. battery voltage
(1) SCV (Suction Control Valve) (2) Connector (Harness Side)
Resistance
at 20 °C
(68 °F)
Terminal 1 – 2 2.60 to 3.15 Ω
(1) Connector (SCV Side)
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