ELECTRICAL SYSTEM
B2650HSDC, B3350HSDC, WSM
8-S46
(5) Room Lamp
• Firstly check the connector voltage, secondly check the other wires continuity, then finally check the
switch continuity.
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Connector Voltage
1. Disconnect the connector.
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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Switch Continuity
1. Check the continuity across the terminals shown in the table
below.
2. If the continuity shown below is not indicated, the switch is
faulty.
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Voltage Terminal 1 – chassis Approx. battery voltage
(1) Room Lamp Switch (2) Connector (Harness Side)
(1) Connector (Switch Side)