P0651

P0651 00

5 V Supply Group 2, Short To Ground/B+







Fault symptom
Check Engine

On-board diagnosis

Type of diagnosis:
Continuous

Enable criteria:
Ignition ON.

Fault criteria:
When the 5-volt output to the following components short circuits to ground or B+:
- Pedal Position Sensor 1
- Atmosphere Pressure Sensor
- Throttle Position Sensor 2
- Manifold absolute pressure sensor

Dependent
None

System reaction to a fault:
-

OK report:
Fault criterion not fulfilled and vehicle speed over 0 km/h for more than 60 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:
Read values for the above components.