Generic Scan Tool

DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE
Procedure for malfunction A
1) Turn ignition switch "ON", and wait at least 6 seconds.
2) Start engine and wait at least 3 seconds.
3) Select "MODE 3" with Generic Scan Tool (GST).

Procedure for malfunction B
1) Turn ignition switch "ON".
2) Start engine and warm it up sufficiently.
3) Run engine for at least 10 seconds at idle speed.
4) Select "MODE 3" with GST.

OVERALL FUNCTION CHECK
Use this procedure to check the overall function of the mass air flow sensor circuit. During this check, a DTC might not be confirmed.

Procedure for malfunction C
1) Turn ignition switch "ON".
2) Start engine and warm it up sufficiently.
3) Select "MODE 1" with 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.