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P1136

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE comes on after two driving cycles.

P1136


O2S Heater Circuit. Current too High, Sensor 1.


Fault symptoms


• CHECK ENGINE comes on after two driving cycles.


Conditions

The following conditions apply for this DTC:


• Engine running and output voltage exceeds 2 V when output active. Conditions met for 5 s.


Or:


• Preheating has been active for more than 60 s.

• Current exceeds 2300 mA for 5 s.


Diagnostic help

Fault diagnosis concerns electrical faults in connecting cables or in the sensor.

Diagnostic tool functions related to this fault are:


• Activation of output for preheating.


See also the description of test values under ”Fault diagnosis, general” for more information.

Check the wiring

Note

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.


Diagnostic procedure

See diagnostic procedure P1135, see .