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P1136

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE goes on after two driving cycles.

P1136


O2S Heater Circuit. Current too High, Sensor 1.


Fault symptoms


• CHECK ENGINE goes on after two driving cycles.


Conditions

The following conditions apply for this DTC:


• Engine running and output voltage exceeding 2 V when output is active. Condition fulfilled for 5 sec.


Or:


• Preheating has been active for longer than 60 sec.

• Current exceeding 2300 mA for 5 sec.


Diagnostic help

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.

Functions in the diagnostic tool related to the fault:


• Activate output for preheating.


See also description of test readings, , for more information.

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.