P0108

P0108 00

Manifold Absolute Pressure Sensor Circuit. Short To B+.







Fault symptom
CHECK ENGINE
Cruise control not working.
Limp home
Engine stops when idling.

On-board diagnosis

Type of diagnosis:
Continuous

Enable criteria:
Battery voltage must be between 11 - 16 V.
Ignition ON.

Fault criteria:
When voltage on the input exceeds 4.70 V for more than 1 s.

Dependent:
None

System reaction to a fault:
Torque limited to max. 170 Nm.
Purge blocked.
Boost pressure adaption is blocked and reset.
Correction of mass air flow/combustion for fuel calculation is blocked.
Limited acceleration and idle function.
Cruise control blocked.
Secondary air switched off.

OK report:
When fault criteria NOT fulfilled for 2 s.

Fault handling:
Type III
(See Description of On-Board Diagnostics/Fault handling III, "Other emission-related components and functions" for more information.)

Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:
Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault:
Test value:
- Manifold absolute pressure sensor