P1230
Read the instructions below then
start the fault diagnostic procedure.
Symptom: CHECK ENGINE lights up straight away.
Throttle control in limp-home mode.
Incorrect idle speed.
Cruise control inoperative.
Throttle Position Sensor 1 and 2 Circuit. Sum Out of Range.
Fault symptoms
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CHECK ENGINE lights up straight away.
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Throttle control in limp-home mode.
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Cruise control inoperative.
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Conditions
The following conditions apply for this DTC:
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Ignition ON and the aggregate voltage of throttle position sensors 1 and 2 is above 5.70 V or below 4.59 V.
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Diagnostic help
Fault diagnosis concerns electrical faults in connecting cables or in any of the sensors.
Diagnostic tool functions related to this fault are:
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Throttle position sensor 1, in V.
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Throttle position sensor 2, in V.
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See also the description of test values under ”Fault diagnosis, general” for more information.
Check the wiring
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Note
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Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.
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