Generic Scan Tool

OVERALL FUNCTION CHECK
Instead of performing the DTC Detecting Condition, the following method can be used for checking the function of the mass air flow sensor. (However, the DTC detection can not be confirmed.)
For the above malfunction c)
1. Turn ignition switch "ON".
2. Start engine and warm it up sufficiently.




3. Select "MODE 1" with Generic Scan Tool (GST).
4. Check the mass air flow with "MODE 1".




5. Check for linear mass air flow rise in response to increases to about 4,000 rpm in engine speed.