Diesel Data: Automotive Repair

Fault Conditions




P1263


Throttle moved manually when engine was running. NOTE. May set if Mechanism is not Reseted







Fault symptoms
- Engine stalls.

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 for at least 5 s. No vehicle speed.

Fault criteria:
- Throttle motor receiving 100% PWM in closing direction.

Dependents:
- None.

System reaction to a fault:

- Fuel shut-off.

OK report:
- Accelerator pedal has been depressed at some time and then fully released. 120 s has expired since then without fault criteria being fulfilled.

Fault handling: (See Fault handling III Other emission-related components and functions for more information.) Fault Handling III, Other Emission-Related Component & Function
- Type III.
- CHECK ENGINE does not go on.

Diagnostic help
This trouble code does not indicate a fault but is for information only. Avoid touching the throttle arm. If it is necessary to increase the engine speed while working on the engine, the throttle arm must be rotated instead.