Component Tests and General Diagnostics

Power stage Check

Monitoring Strategy for Actuators

General Description
The purpose of this diagnosis is to detect electrical faults as defined in OBDI requirements.

Invalid actuator output signals at power stage are regarded as circuit malfunctions shorted to BATT, GND or Open circuit.

Monitored components:
- Injection vales
- Canister purge valve
- Tank leakage valve
- Camshaft position actuator
- Inlet valve lift actuator

Flow chart: - Monitoring strategy for actuators