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Engine Off EVAP Test Conditions Met: This
parameter displays Yes if the conditions for running
the Engine Off EVAP diagnostic are met.
Engine Off Time: This parameter displays the amount
of time that has elapsed since the engine was last
cycled OFF.
Engine Oil Life Remaining: This parameter displays
the percent of engine oil life remaining. The
controller calculates the engine oil life by monitoring
engine load, coolant temperature, and engine speed.
Engine Oil Pressure Sensor: This parameter displays
the voltage signal received by the control module
from the engine oil pressure (EOP) sensor.
Engine Oil Pressure Sensor: This parameter displays
the engine oil pressure.
Engine Oil Temperature Calculated: This parameter
displays the engine oil temperature.
Engine Run Time: This parameter displays the time
elapsed since the engine was started.
EVAP Fault History: This parameter displays the result
of the evaporative emission (EVAP) system
diagnostic as determined by the control module. The
scan tool will display various messages, depending
on the result of the test.
Engine Speed: This parameter displays the speed of
the engine crankshaft rotation from information
received from the crankshaft position (CKP) sensor.
If there is a CKP sensor DTC, the ECM calculates
the engine speed from one of the camshaft position
(CMP) sensors.
EVAP Monitor Complete This Ignition: This
parameter displays the diagnostic monitor
completion status during the current driving/
monitoring cycle.
EVAP Monitor Enabled This Ignition: This parameter
displays the diagnostic monitor enable status during
the current driving/monitoring cycle.
EVAP Purge Solenoid Circuit Status: This parameter
displays the state of the evaporative emission
(EVAP) purge solenoid control circuit. The parameter
displays Fault if the EVAP purge solenoid control
circuit is open, shorted to ground, or shorted to
voltage. The parameter displays Indeterminate until
the circuit has been commanded ON.
EVAP Purge Solenoid Command: This parameter
displays the on-time or duty cycle of the EVAP
canister purge solenoid commanded by the control
module. Zero percent indicates no purge. One
hundred percent indicates full purge.
EVAP Vent Solenoid Circuit Status: This parameter
displays the state of the EVAP vent solenoid control
circuit. The parameter displays Fault if the EVAP
vent solenoid control circuit is open, shorted to
ground, or shorted to voltage. The parameter
displays Indeterminate until the circuit has been
commanded ON. This parameter may not change if
the scan tool is used to command the EVAP vent
solenoid ON.
Engine General Information and Diagnosis:
EVAP Vent Solenoid Command: This parameter
displays the state of the control circuit for
evaporative emission (EVAP) vent solenoid as
commanded by the control module.
Exh. CMP Angle Bank 1 or 2: This parameter displays
the actual exhaust camshaft position in degrees.
Exh. CMP Bank 1 or Bank 2 Active Counter: This
parameter displays an incrementing counter when
the control module receives a signal from the
exhaust camshaft position (CMP) sensor.
Exh. CMP Bank 1 or 2 Command: This parameter
displays the exhaust camshaft position in percent of
range as commanded by the control module.
Exh. CMP Angle Bank 1 or 2 Variance: This
parameter displays in degrees, the difference
between the desired exhaust camshaft position and
the actual exhaust camshaft position.
Exh. CMP Solenoid Bn. 1 or 2 Circuit Status: This
parameter displays the state of the exhaust camshaft
actuator solenoid control circuit. The parameter
displays Fault if the camshaft actuator solenoid
control circuit is open, shorted to ground, or shorted
to voltage. The parameter displays Indeterminate
until the circuit has been commanded ON.
FC Relay 1 Circuit Status: This parameter displays the
state of the fan relay control circuit. The parameter
displays Fault if the fan relay control circuit is open,
shorted to ground, or shorted to voltage. The
parameter displays Indeterminate until the circuit has
been commanded ON.
FC Relay 2 and 3 Circuit Status: This parameter
displays the state of the fan relay control circuit. The
parameter displays Fault if the fan relay control
circuit is open, shorted to ground, or shorted to
voltage. The parameter displays Indeterminate until
the relay control circuit has been commanded ON.
FC Relay 1 Command: This parameter displays the
control module commanded state of the fan relay
control circuit.
FC Relay 2 and 3 Command: This parameter displays
the control module commanded state of the fan relay
control circuit.
Fuel Level Sensor Left Tank (Secondary) Right Tank
(Primary): This parameter displays the voltage
signal received by the control module from the fuel
level sensors.
Fuel Pump Relay Circuit Status: This parameter
displays the state of the fuel pump relay control
circuit. The parameter displays Fault if the fuel pump
relay control circuit is open, shorted to ground, or
shorted to voltage. The parameter displays
Indeterminate until the circuit has been commanded
ON.
Fuel Pump Relay Command: This parameter displays
the control modules commanded state of the fuel
pump relay control circuit.
1A-50
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Table of Contents
Troubleshooting
