Flow Too Low

ECM-6207 AACV
FLOW TOO LOW

Faulty signal - Intermittent fault



- Start the engine and let it idle.
Activate assisted air control valve and check that idling speed increases by 300 rpm

Does idling speed increase?
Yes - Continue below.
No - Skip to "Flow Too Low - Permanent Fault"


Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
--Testing Complete--


Flow Too Low - Permanent Fault



Checking component and hoses:
Check the component if it is sticks and check that the hose is not blocked.

Remedy as necessary.

Other information:
- For connection of engine control module (ECM) breakout box, Connecting the Breakout Box (ECM)
- To access/replace the assisted air control valve, Assisted Air Control Valve (AACV), Replacing
- For leakage testing the intake system, Check For Air Leaks In the Intake System


Verification



Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Reinstall the connectors, components etc.
- Start the engine and let it idle.

Activate the assisted air control valve. Check that the idling speed increases by 300 rpm.

Does the idling speed increase?
Yes - Testing Complete.
No - Continue below.


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.