Справочник Пользователя для Omnitracs LLC IVG2
80-JE026-1 Rev. J
MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION
53
18 Ignition On Detection Problem
The IVG system auto-detects when the ignition is on by detecting engine RPMs. The engine
must be running for the system to detect ignition is ON.
must be running for the system to detect ignition is ON.
If the Ignition On test fails, ensure the truck’s engine is running. If engine is running, the
problem could be in the truck’s diagnostic connector. If the diagnostic connector is faulty, you
could connect the optional ignition lead of the power I/O cable to a 12 VDC key switched to
source. Ensure that wire is connected and secure. CDEF444 will need to be disabled.
problem could be in the truck’s diagnostic connector. If the diagnostic connector is faulty, you
could connect the optional ignition lead of the power I/O cable to a 12 VDC key switched to
source. Ensure that wire is connected and secure. CDEF444 will need to be disabled.
1. Verify the fuse in the ignition wire has not blown.
2. If it continues to fail, check the ignition source used and the associated truck fuse. Use a
2. If it continues to fail, check the ignition source used and the associated truck fuse. Use a
digital volt meter to verify that the source has approximately 12 VDC when key is in the
ignition ON position and shows 0 VDC in the OFF position.
ignition ON position and shows 0 VDC in the OFF position.
Many newer model trucks have multiplex wiring systems that require specific ignition
connection points. To ensure correct ignition connection points, refer to the individual
truck specific installation instructions for more details.
connection points. To ensure correct ignition connection points, refer to the individual
truck specific installation instructions for more details.