Fuel Injection System Diagnostics

Fuel injection ECU carries out continuous checks. Faults in any of following functions are stored in system memory.

• Fuel System ECU Internal Function
• Lambda-Probe (Oxygen Sensor)
• Coolant Temperature Sensor
• Mass Airflow Meter
• Battery Voltage
• Throttle Switch
• RPM From Ignition System ECU
• Speedometer
• Knock Sensor (B234F Engine)
• Idle (Speed) Valve