Fault Conditions

Throttle Return Spring. Too Low Force. NOTE. May set if Mechanism is not Reset.







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:
- Ignition in ON position.

Fault criteria:
- Throttle motor receiving close to 0% PWM in opening direction for 4 s

Dependents:
- None.

System reaction to a fault:
- None.







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: Fault Handling III, Other Emission-Related Component & Function
- Type III

Diagnostic help
Throttle return spring is too weak.

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

Proceed to Diagnostic Procedures Diagnostic Procedure