0172765 JOHNSON LEAD ASSY., Ground

Table 1
QUICK REFERENCE CHART WITH DESCRIPTION OF GENERAL PARAMETER IDENTIFIERS
PID Description
$AA12
aa CCM Auxilliary Functions
Used to read or program functions on the CCM.
$AA87
cccccccc Access Level 1 Password
Used to read or program the Level 1 Password.
$AA88
cccccccc Access Level 2 Password
Used to read or program the Level 2 Password.
$AA89
cccccccc Access Level 3 Password
Used to read or program the Level 3 Password.
$AA8A
cccccccc Login Password
Password used to login when host device is connecting to the CCM.
$F012
aa Security Access Level
Used to read the password level.
$F601
aabb CCM RS-232C Serial Port Configuration
Used to program the RS-232C port configuration on the CCM. CCM Auxiliary Functions $AA12 aaUsed to read or program function on the CCM.
Table 2
(aa) Bits 8-5 Reserved for future use
Bit 4 0 = CCM unit number is set to 61
1 = CCM unit number is set to 66
Reserved for Caterpillar. DO NOT USE!
Bit 3 0 = Enable password protection
1 = Disable password protection
Bit 2 0 = Enable baud rate change
1 = Disable baud rate change
Bit 1 0 = Direct connection
1 = Modem connection Access Level 1 Password $AA87 ccccccccUsed to read or program the Level 1 Password.
Table 3
(cccccccc) Bits 64-1 (cccccccc)
Level 1 password in printable ASCII form. Must be at least 6, but no more than 8 characters long. Do not pad with spaces if the password is less than 8 characters long. Use only letters and numbers for the password characters. Access Level 2 Password $AA88 ccccccccUsed to read or program the Level 2 Password.
Table 4
(cccccccc) Bits 64-1 (cccccccc)
Level 2 password in printable ASCII form. Must be at least 6, but no more than 8 characters long. Do not pad with spaces if the password is less than 8 characters long. Use only letters and numbers for the password characters Access Level 3 Password $AA89 ccccccccUsed to read or program the Level 3 Password.
Table 5
(cccccccc) Bits 64-1 (cccccccc)
Level 3 password in printable ASCII form. Must be at least 6, but no more than 8 characters long. Do not pad with spaces if the password is less than 8 characters long. Use only letters and numbers for the password characters Login Password $AA8A ccccccccPassword used to login when host device is connecting to the CCM.
Table 6
(cccccccc) Bits 64-1 (cccccccc)
Login password in printable ASCII form. Must be at least 6, but no more than 8 characters long. Do not pad with spaces if the password is less than 8 characters long. Use only letters and numbers for the password characters Note: If the password is all spaces, do not enter any data after the PID. The CCM will automatically add the necessary spaces. When used to login, using IID 34, the CCM responds with PID F012 to indicate which security level password was matched.Security Access Level $F012 aaUsed to read the password level.
Table 7
(aa) $00 = Security level 00
$01 = Security level 01
$02 = Security level 02
$03 = Security level 03 CCM RS-232C Serial Port Configuration $F601 aabbUsed to program RS-232C port configurations on the CCM.
Table 8
(aa) Bits 16-15 Not used
Bit 14 0 = 1 stop bit
2 = 2 stop bits
Bit 13 0 = No echo
1 = Echo enabled
Bit 12-9 0100 = 300 baud
0101 = 600 baud
0110 = 1200 baud
1000 = 2400 baud
1010 = 4800 baud
1100 = 9600 baud
1101 = 19200 baud
(bb) Bit 8 Not used
Bit 7-6 10 = 7 data bits
11 = 8 data bits
Bit 5-3 000 = No parity
001 = Odd parity
011 = Even parity
Bit 2-1 Not used