Product Manual

XT2500 Product Manual
Page 71 | 92
CONFIDENTIAL AND PROPRIETARY
5.3.7. OBD Run States Bits
Bit State
0 Engine Running
1 PTO On
2 Moving
3 Ignition On
5.3.8. OBD Comms State
Value Description
0 OBD comms off
1 OBD comms pending (ECU detected, initiating connection)
2 OBD comms connected (waiting for RPM change or vehicle motion)
3 OBD comms active
5.3.9. OBD Backoff Mode
Value Description
0 OBD not in Backoff
1 OBD Backoff Scantool Detect
2 OBD Backoff MIL Detect
3 OBD Backoff MIL Persisted
4 OBD Backoff Protocol Fail Detect
5 OBD Backoff Scantool Detectuntil Ignition Off
5.3.10. OBD Protocol Table
Value (Hex) Description
0x0001 ISO 9141-2 (Keyword Byte 08 08)
0x0002 ISO 9141-2 (Keyword Byte 94 94)
0x0004 ISO14230 (KWP2000) (5-Baud init)
0x0008 ISO14230 (KWP2000) (Fast init)
0x0010 J1850 PWM (typically older Ford vehicles)
0x0020 J1850 VPW (typically older GM vehicles and some older Chrysler and Toyota)
0x0040 J1708/J1587
0x0080 CAN protocol 11-bit CAN ids
0x0100 J1939
0x0200 CAN protocol 29-bit CAN ids