Procedure For DTC P1126

With CONSULT-II 

1. Turn ignition switch ON and wait at least 2 seconds.
2. Select "DATA MONITOR" mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to Diagnostic Procedure  .

With GST 

Follow the procedure "With CONSULT-II" above.