Capacity of Texas, Inc.
54
157
{3}
Injector Metering Rail Number
1 Pressure Sensor Circuit -
Shorted High. High signal
voltage detected at the Rail
Pressure Sensor Circuit.
Power and/or speed derate.
157
{4}
Injector Metering Rail Number
1 Pressure Sensor Circuit -
Shorted Low. Low signal
voltage detected at the Rail
Pressure Sensor Circuit.
Power and/or speed derate.
558
{4}
Accelerator Pedal Idle
Validation Circuit - Shorted
Low. No voltage detected
simultaneously on both the
idle validation off-idle and on-
idle circuits.
Engine will only idle.
677
{3}
Starter Relay Circuit - Shorted
High. High voltage detected at
the Starter Lockout Circuit.
Either the engine will not start
or the engine will not have
Starter Lockout Protection.
677
{4}
Starter Relay Circuit - Shorted
Low. Low voltage detected at
the Starter Lockout Circuit.
Either the engine will not start
or the engine will not have
Starter Lockout Protection.
103
{16}
Turbocharger Number 1 Speed
High - Warning Level. High
turbocharger speed has been
detected.
Engine power derate. The
ECM will use an estimated
turbocharger speed.
167
{16}
Electrical Charging System
Voltage High - Warning Level.
High voltage detected by the
battery voltage monitor
feature.
Amber Warning Lamp
illuminated until high battery
voltage condition is corrected.
167
{18}
Electrical Charging System
Voltage Low - Warning Level.
Low voltage detected by the
battery voltage monitor
feature.
Amber Warning Lamp
illuminated until low battery
voltage condition is corrected.
167
{1}
Electrical Charging System
Voltage Low - Critical Level.
Very low voltage detected by
the battery volt- age monitor
feature.
Red Stop Lamp illuminated
until very low battery voltage
condition is corrected.
1378
{31}
Change Lubricating Oil and
Filter.
None on performance.
Maintenance reminder only.
Table 4-2 CM850 System Fault Codes (Cont.)
Fault
Code Reason Effect
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