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Chapter 2 Troubleshooting
FIP-1.81 077-907: IOT Remain Duplex JAM
Step Check
Remedy
Yes No
Possible causative parts:
HARNESS ASSY L SIDE MG AIO (PL3.1.18)
SENSOR PHOTO (SSF No Paper Sensor) (PL3.2.13)
PWBA MCU (PL8.3.6)
1
Checking the SENSOR PHOTO (SSF No Paper Sensor) for
operation.
Does the number on the screen increase by one, every time
the actuator of the SENSOR PHOTO (SSF No Paper
Sensor) is operated?
Checked by [Digital Input] - [SSF No Paper Sensor] in [IOT
Diagnosis] of diagnosis.
Replace the KIT
PWBA MCU.
(Refer to
REP8.10.)
Go to step 2.
2
Checking the connectors of the SENSOR PHOTO (SSF No
Paper Sensor) for connection.
Check the connections between the PWBA MCU and
SENSOR PHOTO.
Are P/J23 and P/J233 connected correctly?
Go to step 3.
Reconnect the
connector(s) P/
J23 and/or P/J233
correctly.
3
Checking the connectors of the SENSOR PHOTO (SSF No
Paper Sensor) for connection.
Check the connections between the PWBA MCU and
SENSOR PHOTO.
Are P/J23 and P/J233 connected correctly?
Go to step 4.
Reconnect the
connector(s) P/
J23 and/or P/J233
correctly.
4
Checking the HARNESS ASSY L SIDE MG AIO for
continuity.
Disconnect J23 from the PWBA MCU.
Disconnect J233 from the SENSOR PHOTO.
Is each cable of J23 <=> J233 continuous?
Go to step 5.
Replace the
HARNESS ASSY
L SIDE MG AIO.
5
Checking the power to the SENSOR PHOTO.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-6pin <=> ground on the PWBA
MCU, about +3.3 VDC?
Replace the
SENSOR
PHOTO(SSF No
Paper Sensor)
Replace the KIT
PWBA MCU.
(Refer to
REP8.10.)
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