P0112

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE.

P0112

Fault symptoms

CHECK ENGINE.

On-Board Diagnostics

Type of diagnosis:

-	Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:

-	Engine running.

Fault criteria:

-	Voltage below 0.125 V for more than 1 s.

Dependents:

-

None.

System reaction to a fault:

-	Substitute value set to 40°C.

OK report:

-	60 s has past since start. Fault criteria for P0112 or P0113 not fulfilled.

Fault handling: (See section Fault handling III, other emission-related components and functions for more information.)

-

Type III.

Diagnostic help

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

Functions in the diagnostic tool related to the fault:

•	Temperature sensor reading, in °C.

See also description of readings under "Read Values" menu 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.