ELECTRICAL SYSTEM
B2650HSDC, B3350HSDC, WSM
8-S28
(4) Differential Pressure Sensor
• Since it is not possible to do unit checking for this sensor, judge the sensor is faulty if the relating electric
circuit is normal.
9Y1210822ELS0064US0
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.
9Y1210822ELS0074US0
Voltage
Main switch at
"ON"
Terminal 1 –
chassis
Approx. 5 V
Terminal 3 –
chassis
(1) Differential Pressure Sensor (DPF)
(2) Differential Pressure Sensor
(Blower Motor)
(3) Connector (Harness Side-DPF)
(4) Connector (Harness Side-Blower
Motor)
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