Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

3. Verification



Verification, Continued







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

- Ignition off.
- Reinstall the connectors, components etc.
- Ignition on.
- Loosen the connector for the mass air flow sensor. Check the voltage on the mass air flow sensor's connector #1. The voltage must be approximately battery voltage.
- Ignition off.

Check the system relay when it releases (approx. 2-10 min after ignition off).

Check the voltage on the mass air flow sensor's connector #1. There shall be no voltage when the system relay is not drawn.

Is the function OK?

YES: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions
NO: Refer to Fault-tracing Information - Permanent Fault.