Inputs and Outputs

Inputs and Outputs

Input Signals Monitored by OBD II?
^ Transmission Control Module
(torque reduction request) Yes - Bus check
^ Engine Coolant Temperature Yes
^ Intake Air Temperature Yes
^ Mass Airflow Yes
^ Oxygen Sensors Yes
^ Crankshaft Position/Speed Yes
^ Camshaft Position Yes
^ Throttle Position Yes
^ Vehicle Speed Yes
^ Knock Sensor Yes
^ Driver Demand Sensor No
^ Ambient Air Temperature
(via CAN) Yes (no MIL)
^ Soak Time (via CAN) No
^ Fuel Level (via CAN) Yes (no MIL)
^ Radiator Outlet Temperature Yes
^ Cruise Control Switches No
^ Brake Pedal Position No
^ Transfer Gear Range (via CAN) Yes (no MIL)
^ EVAP System (Leak Diagnosis
Module - Pump Motor Current) Yes

Output Signals Monitored by OBD II?
^ Transmission Control Module Yes - Signals checked separately
^ Throttle Actuator Yes
^ Ignition Coils Via Misfire Monitoring
^ Injection Valves Yes
^ Secondary Air Injection
Pump and Valve Yes
^ EVAP Canister Purge Valve Yes
^ Switching Valves
(Variable Camshaft Timing) Yes
^ Malfunction Indicator Lamp
(MIL) (via CAN) Not directly
^ EVAP System (Leak Diagnosis
Module - Pump Motor and Solenoid Valve) Yes
^ EVAP System (Leak Diagnosis
Module - Heater) Yes (no MIL)
^ Oxygen Sensor Heating Yes
^ Fuel Pump Relay No
^ Air Conditioning Compressor Relay No
^ Auxiliary Engine Cooling Fan No
^ Thermostat Heating Element No
^ Engine Starter Relay No