Capacity TJ6500 DOT - Page 94

Capacity of Texas, Inc.
86
2791
{5}
EGR Valve Control Circuit -
Current Below Normal or
Open Circuit. Motor terminal
or motor coil open circuit has
been detected by the smart
EGR controller.
EGR valve actuation will be
disabled.
2791
{4}
EGR Valve Control Circuit -
Voltage Below Normal or
Shorted to Low Source. Motor
terminal or motor coil short
circuit to ground, or power
supply has been detected by
the smart EGR controller.
EGR valve actuation will be
disabled.
2791
{7}
EGR Valve Control Circuit -
Mechanical System Not
Responding Properly or Out of
Adjustment. The EGR motor
has exceeded the duty cycle
limit, indicating a stuck open
EGR valve.
EGR valve actuation will be
disabled.
411
{16}
Exhaust Gas Recirculation
Valve Delta Pressure - Data
Valid but Above Normal
Operational Range -
Moderately Severe Level. The
EGR differential pressure
sensor has detected high EGR
gas flow or the EGR
differential pressure reading is
not valid for engine operating
conditions.
EGR valve actuation will be
disabled.
1209
{3}
Exhaust Gas Pressure Sensor
Circuit - Voltage Above
Normal or Shorted to High
Source. High signal voltage
detected at the exhaust gas
pressure circuit.
None on performance.
1209
{4}
Exhaust Gas Pressure Sensor
Circuit - Voltage Below
Normal or Shorted to Low
Source. Low signal voltage
detected at the exhaust gas
pressure circuit.
None on performance.
Table 4-3 CM2150 System Fault Codes (Cont.)
Fault
Code Reason Effect