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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Powertrain Diagnostic Procedures - Except Coupe) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0509-IAC Valve Sense Circuit High >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE - P0509-IAC VALVE SENSE CIRCUIT HIGH

TEST ACTION APPLICABILITY
1
NOTE: If the engine will not idle, maintain an engine speed between 800 and 1500 RPM.
Start the engine.Allow the engine to idle.With the DRBIII®, read the IAC Current.Is the IAC Current above 999 mA?Yes --> Go To 2No --> Refer to the INTERMITTENT CONDITION  symptom in the Driveability categoryPerform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
2 Turn the ignition off.
Disconnect the IAC Motor harness connector.
With the DRBIII®, monitor the IAC Current.
Turn the ignition on.
Does the DRBIII® display IAC Current at 0mA?
Yes --> Replace the IAC Motor.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 3		 All
3 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Turn the ignition on.
With the DRBIII®, actuate the ASD Relay.
Measure the voltage of the (K60) IAC Signal circuit in the IAC Motor harness connector.
Is the voltage above 0.5 of a volt?
Yes --> Repair the short to voltage in the (K60) IAC Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 4		 All
4 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Turn the ignition on.
With the DRBIII®, actuate the ASD Relay.
Measure the voltage of the (K39) IAC Motor Driver circuit in the IAC Motor harness connector.
Is the voltage above 0.5 of a volt?
Yes --> Repair the short to voltage in the (K39) IAC Motor Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 5		 All
5 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Measure the resistance across the IAC Motor harness connector.
Is the resistance below 5.0 ohms?
Yes --> Repair the (K60) IAC Motor Signal circuit short to the (K39) IAC Motor Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5 .
No --> Go To 6		 All
6
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.RepairReplace and program the Powertrain Control Module in accordance with the Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 .		 All
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