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5. DIAGNOSTIC TEST OPERATION
(2) Error code
Result
Error Code
1
-1
-1
-1
-1
COM Port Number:
1: COM1
2: COM2
4: COM4
5: COM5
< Supplementary explanation >
The COM Port Number buttons can be set to unavailable by changing the data of the "diagconf.ini" file
stored in the directory "/root/base/diag" of the USB memory.
Part of the data of the file "diagconf.ini"
By setting COMX=DISABLE (X: COM Port Number), the COMX button on the COM Loopback Test screen
becomes unavailable.
[COMSTATUS]
COM1=ENABLE
COM2=ENABLE
COM3=ENABLE
COM4=ENABLE
COM5=ENABLE
COM6=ENABLE
Example) To set the COM1 button to unavailable
COM1=DISABLE
NOTE:
The wiring pattern of the loopback connector is as shown below.
for D-sub 9-pin female
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
(3) Corrective action
Error
Loopback error
Timeout error
COM port open error
<< Preliminary version >>
Error Code Ex
0
0
1
COM Port Number
2
3
3: COM3
6: COM6
1
2
3
4
5
6
7
8
9
• The loopback connector is not connected correctly.
• Connect the loopback connector correctly.
• Failure of the ENGINE PC board may cause the error. Replace the
ENGINE PC board.
0
Click the [OK] button to terminate the test.
0
Click the [NG] button to terminate the test.
Loopback error
Timeout error
COM port open error
for D-sub 9-pin male
P12V
RXD
TXD
DTR
GND
DSR
RTS
CTS
P5V
Cause & Measure
5- 35
5.4 Serviceman Diagnostic Test Program
Remarks
1
2
3
4
5
6
7
8
9
EO18-12017
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