COMMUNICATION PROTOCOLS
PID 196
- Diagnostic Data/count clear response
update rate:
On Request only
format:
PID
Data
196
n a b c c c c c
n =
Byte count of data that follows this character. This excludes
characters MID, PID 194 and n but includes a, b, and c type
characters.
a =
SID or PID of a standard diagnostic code
b =
Diagnostic Code Character
Bits 1-4 -
FMI of a standard diagnostic code
Bit 5 -
Byte (a) identi
fi
er
1 - Byte (a) is a SID
0 - Byte (a) is a PID
Bit 6 -
Type of diagnostic code
1 - standard diagnostic code
0 -
expansion diagnostic codes (PID/SID from
page 2)
Bit 7-8 -
Action
- Message is an ASCII descriptive message for
the given diagnostic code.
01 - The count has been cleared for the given
diagnostic code.
10 - All clearable diagnostic counts have been
cleared for this device.
- Message is additional diagnostic information
for the given diagnostic code, as de
fi
ned below.
c =
Additional information (if applicable)
c1-c5 - ATA/VMRS (DTDSC)
c6, c7 - Engine hours the code was
fi
rst logged (LSB
fi
rst)
format: 1 h/Bit.
range - 0-65535 hours.
c8, c9 - Calendar date (Month, Day) the code was
fi
rst logged,
if available.
c10, c11 - Clock time the code was
fi
rst logged (hours, minutes),
if available.
c12, c13 - Engine hours the code last became active (LSB
fi
rst).
c14, c15 - Calendar date (Month, Day) the code last became
active, if available.
c16, c17 - Clock time the code last became active (hours, minutes),
if available.
6-20
All information subject to change without notice.
(Rev. 01/07)
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION
