Reading Input & Output Signals
NOTE:
Values and status of ECM input and output signals can be read with this function.
Using scan tool, the following parameters can be read:
- Engine Speed
- Engine Temperature
- Engine Coolant Temperature Sensor Voltage
- Front Heated Oxygen Sensor Voltage
- Front Heated Oxygen Sensor Heating
- Rear Heated Oxygen Sensor Voltage
- Rear Heated Oxygen Sensor Heating
- Rear Heated Oxygen Sensor Compensation
- Fuel Trim Status
- Short-Term Fuel Trim
- Fuel Trim, Part Load
- Fuel Trim, Idling
- Fuel Trim, Status
- Injection Period
- Mass Air Flow Sensor, Voltage
- Load Tl
- MAF Sensor, Air Flow
- Throttle Angle
- Throttle Position Sensor, Voltage
- Throttle, Status
- Idle Air Control Valve, Air Flow
- Idle Air Trim
- Ignition Timing
- Status Ignition Timing Retardation Requested By TCM
- Knock Sensor No. 1 Status
- Knock Sensor No. 2 Status
- Fuel Enrichment Status
- Battery Voltage
- Vehicle Speed
- A/C Approved, Status
- A/C Relay, Status
- A/C Compressor, Status
- A/C Pressure
- A/C Pressure Sensor, Voltage
- Engine Cooling Fan, Status
- Operating Cycle, Status
- Trip, Status
- Warm-Up Cycle, Status
- Fault Active, Status
- Malfunction Indicator Lamp Lit, Status
- Lighting Of MIL Requested By TCM, Status
- Gear Selector Position, Status
- Canister Purge Valve
- Fuel Pump Relay, Status
- Fuel Shut-Off System, Status
- Acclerometer
- PAIR Injection System Pump, Status
- Flywheel Adaption, Status
- Flywheel Adaption B
- Flywheel Adaption C
- Flywheel Adaption D
- Flywheel Adaption E
- Temperature, Control Module
- EVAP Canister Shut-Off Valve, Status
- Fuel Tank Pressure
- Fuel Tank Pressure Sensor, Voltage