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
Modules - 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