Inputs and Outputs

Introduction

Inputs and Outputs

Input Signals Monitored by OBD II?
Transmission Control Module (via CAN) Yes - Bus check
Engine coolant temperature (ECT) Yes
Intake Air Temperature (IAT) Yes
Mass Air Flow (MAF) Yes
O2 Sensors Yes
Crankshaft Position/Speed (CKP) Yes
Camshaft Position (CMP) Yes
Throttle Position (TP) Yes
Manifold Pressure Yes
Accelerator Pedal Position (APP) Yes
Vehicle Speed (VS) (ABS via CAN) Yes
Ambient Temperature (Instrument Pack via CAN) Yes
Knock Sensors Yes
Diagnosis Module - Leak Detection (EVAP System) Yes
Transfer Gear Range (via CAN) Yes (no MIL)
Brake Light Switch (BLS) No
Speed Control Switches No
Immobiliser (via CAN) No
Alternator Monitor No
Fuel Temperature Yes
Engine Oil Temperature (EOT) Yes
SRS Signal No
Real Time Clock (Instrument Pack via CAN) Yes
Fuel Tank Level (Instrument Pack via CAN) Yes (no MIL)
Main Engine Cooling Fan Speed No
Ignition switch Yes
Crank Request Yes
Park/Neutral Switch Yes
Atmospheric Pressure Yes

Output Signals Monitored by OBD II?
Transmission Control Module (via CAN) Yes - Signals checked separately
Throttle Valve Actuator Yes
Ignition Coils Yes
Injection Valves Yes
Evaporative Emission (EVAP) Canister Purge Valve Yes
Diagnosis Module - Leak Detection (EVAP System) Yes
Malfunction Indicator Light (MIL) (via CAN) Not directly
02 Sensor Heating Yes
Brake Booster Pump No
Exhaust Gas Recirculation (EGR) Valve Yes
Fuel Pump (FP) Relay No
Engine Starter Relay Yes
ECM Main Relay Yes
Variable Camshaft Switching Valves Yes
Alternator Control No
Main Engine Cooling Fan No
ECM Cooling Fan No