Troubleshooting

RENR2696-01 75
Troubleshooting Section
The ECM will return the engine to low idle or to a safe
speed while the
diagnostic code is active.
Possible Performance Effect:
•
Low power
•
Reduced engin
e speed
Troubleshooting:
Perform the following diagnostic procedure: “Throttle
Position Sensor Circuit - Test”
Results:
•
OK – STOP.
i01798164
CID 0774 FMI 04
Throttle
Demand Sensor No.2 Shorted
Low
Conditions W
hich Generate This Code:
The ECM detects one of the following conditions:
•
Voltage for the throttle position sensor is below
normal.
•
Invalid throttle position signal
System Respo
nse:
The ECM will log the diagnostic code. The diagnostic
code may be v
iewed on the electronic service tool.
The ECM will return the engine to low idle or to a safe
speed while
the diagnostic code is active.
Possible Performance Effect:
•
Low power
•
Reduced eng
ine speed
Troubleshooting:
Perform the following diagnostic procedure: “Throttle
Position Sensor Circuit - Test”
Results:
•
OK – STOP.
i01798165
CID 0774 FMI 08 Th rottle
Demand Senso r No.2
Abnorm al Sign
al
Conditions Which G enerate This Code:
The ECM detect
s one of the following conditions:
•
Voltage for the throttle position sensor is abnormal.
•
Invalid throttle position signal
System Respon
se:
The ECM will log the diagnostic code. The diagnostic
code may be vie
wed on the electronic service tool.
TheECMwillreturntheenginetolowidleortoasafe
speed while t
he diagnostic code is active.
Possible Pe rformance Effect:
•
Low power
•
Reduced engi
ne speed
Perform the following diagnostic procedure: “Throttle
Position Sen
sor Circuit - Test”
Results:
•
OK – STOP.
i01798166
CID 0774 FMI 12 Th rottle
Demand Sen sor No.2 Out Of
Calibratio
n
Conditions Which G enerate This Code:
The ECM dete
cts one of the following conditions:
•
Throttle position sensor signal is abnormal.
•
Failure of the throttle position sensor
System Resp
onse:
The ECM will log the diagnostic code. The diagnostic
code may be v
iewed on the electronic service tool.
TheECMwillreturntheenginetolowidleortoasafe
speed while
the diagnostic code is active.