Diagnostic Procedure

Fig 1: DTC P1134: Bank 1 Sensor 1 O2 Sensor Circuit - Transition Switch Time Ratio (Steps 1-6)

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Fig 2: DTC P1134: Bank 1 Sensor 1 O2 Sensor Circuit - Transition Switch Time Ratio (Steps 7-13)

Courtesy of ISUZU MOTOR CO.

Fig 3: DTC P1134: HO2S Bank 1 Sensor 1 - Transition Switch Time Ratio (Steps 14-16)

Courtesy of ISUZU MOTOR CO.

Fig 4: DTC P1134: HO2S Bank 1 Sensor 1 - Transition Switch Time Ratio (Steps 17-22)

Courtesy of ISUZU MOTOR CO.