DTC P0134 HEATED OXYGEN SENSOR 1 (FRONT) (PLAUSIBILITY); On Board Diagnosis Logic; DTC Confirmation Procedure

EF & EC-7121prose procedure

Source typos preserved: "wheather" (whether) in OBD logic, "An low voltage" in DTC table.

CG10, CGA3

On Board Diagnosis Logic

To judge the malfunction, the output voltage from the heated oxygen sensor 1 (front) is monitored to determine wheather the output voltages are specified ranges.

Code P0134

Heated Oxygen Sensor 1 (Front) (Plausibility)

DTC Confirmation Procedure

NOTE

If "DTC Confirmation Procedure" has been previously conducted, always turn ignition switch "OFF" and wait at least 1 second before conducting the next test.

With CONSULT-II

1
Start engine and warm it up to normal operating temperature.
2
Turn ignition switch "OFF" and wait at least 1 second.
3
Turn ignition switch "ON".
4
Select "DATA MONITOR" mode with CONSULT-II.
5
Restart engine and let it idle for 3 minutes.
6
If 1st trip DTC is detected, go to "Diagnostic Procedure", EC-7123.

Support our work!

DTC P0134 HEATED OXYGEN SENSOR 1 (FRONT) (PLAUSIBILITY); On Board Diagnosis Logic; DTC Confirmation Procedure

On Board Diagnosis Logic

DTC Confirmation Procedure

With CONSULT-II

See also

Search Manual