DTC Confirmation Procedure
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
With CONSULT-II
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON and select "SELF-LEARNING CONT" in "WORK SUPPORT" mode with CONSULT-II.
- Clear the self-learning control coefficient by touching "CLEAR".
- Select "DATA MONITOR" mode with CONSULT-II.
- Start engine again and let it idle for at least 10 minutes.
The 1st trip DTC P0171 should be detected at this stage, if a malfunction exists. If so, go to DIAGNOSTIC PROCEDURE .
- If it is difficult to start engine at step 6, the fuel injection system has a malfunction.
- Crank engine while depressing accelerator pedal. If engine starts, go to DIAGNOSTIC PROCEDURE . If engine does not start, check exhaust gas and intake air leak visually.
With GST
- Start engine and warm it up to normal operating temperature.
- Turn ignition switch OFF and wait at least 10 seconds.
- Disconnect mass air flow sensor harness connector. Then restart and run engine for at least 5 seconds at idle speed.
- Stop engine and reconnect mass air flow sensor harness connector.
- Select MODE 3 with GST. Make sure DTC P0102 is detected.
- Select MODE 4 with GST and erase the DTC P0102.
- Start engine again and run it for at least 10 minutes at idle speed.
- Select MODE 7 with GST. The 1st trip DTC P0171 should be detected at this stage, if a malfunction exists. If so, go to DIAGNOSTIC PROCEDURE .
- If it is difficult to start engine at step 7, the fuel injection system has a malfunction.
- Crank engine while depressing accelerator pedal. If engine starts, go to DIAGNOSTIC PROCEDURE . If engine does not start, check exhaust gas and intake air leak visually.