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Home >> Oldsmobile >> 2003 >> Bravada AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Diagnostic Tests >> DTC P1134: Ho2S Transition Time Ratio (Bank 1; Sensor 1) >> Test Description

Test Description

The numbers below refers to the step numbers in the diagnostic procedures.

  1. 2 -  When the system is operating correctly, the HO2S 1 voltage should toggle greater than and less than the specified values. You may need to operate the vehicle within the Freeze Frame conditions and Conditions for Setting the DTC in order to duplicate the malfunction that was detected by the PCM.
  2. 4 -  The specified value is what is measured on a correctly operating system.
  3. 5 -  The specified value is what is measured on a correctly operating system.

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