6/02
2-90
DC1632/2240
6-372
Prelaunch Training/Review
Status Indicator RAPs
6-372 ROS Polygon Motor
ROS Motor failure.
Procedure
BSD 6.9 BSD 6.1
Enter dC330 [006-031]. +3.3VDC is measured between the MCU PWB j402-3 (+) and GND
(-)
YN
Check the wire between the ROS ASSY Relay Connector j518-4 and the MCU PWB j402-
3 for an open circuit.
+24VDC is measured between the MCU PWB j402-6 (+) and GND (-).
YN
+24VDC is measured between the MCU PWB j402-6 (+) and GND (-)
YN
Check the +24VDC circuit to the MCU MF PWB j402-6 by referring to Chapter 7 Wir-
ing Data ( +24V)
Check the wire between the MCU PWB j402-6 and the ROS ASSY Relay Connector j518-
1 for an open circuit.
Enter dC330 [006-031]. 0VDC is measured between the MCU PWB j402-4 (+) and GND (-)
YN
Check the wire between the MCU PWB j402-4 and the ROS ASSY Relay Connector j518-
3 for an open circuit. If no problems are found, replace the PWB (PL 13.1)
Check the wire between the MCU PWB j402-4 and the ROS ASSY Relay Connector j518-3 for
an open circuit.
Enter dC330 [006-031]. The frequency between the MCU PWB j402-4 (+) and GND (-) 2
KHz to 2.5 KHz.
YN
Check the wire between the MCU PWB j402-2 and the ROS ASSY Relay Connector j518-
5 for an open circuit. If no problems are found, replace the PWB (PL 13.1)
Check the wire between the MCU PWB j402-2 and the ROS ASSY Relay Connector j518-5 for
an open circuit.
Check the wiring status of the Harness in the ROS ASSY. If no problems are found, replace
the ROS ASSY (PL 3.1)
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