Faulty Signal

Faulty signal

Checking software




Checking software

Checking software

Note! The information below only applies to modal year 2003-2004.For other model years, select the alternative "No".

It may be possible to remedy the fault by downloading new software into the control module.

Action
- Go to the tab software and program the control module with the latest software.

Other information
- For more information, see Design and Function.





Has the fault been remedied?

Yes - Fault Found

No - No Fault Found

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FAULT FOUND - Fault Found

No Fault Found - Checking the connectors and hose connector

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Checking the connectors and hose connector
Check the hose connectors on the intake manifold for damage and leakage.
Check the connector and terminals on the pressure sensor. Check for contact resistance. Check for oxidation.
Remedy as necessary.

Other information
- For locating air pressure sensor, see: Location of components Locations
- Checking wiring and terminals Checking Wiring And Terminals










Continue - Verification

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Verification




Verification

Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Ignition on.
Read off the signal from the manifold absolute pressure (MAP) sensor.
Check that the signal is within its permitted range.

Hint: The normal value (atmospheric pressure at sea level) is approximately 3.6 V at ignition on (open throttle).









Is the signal within its permitted range?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - Fault Found

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

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FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking the connectors and hose connector

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