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1: Oxygen Sensors (o2s) - The o2s generates a voltage signal that varies with the difference between the oxygen content of the exhaust and the oxygen in the surrounding air.
2: Crankshaft Position (CKP) Sensor - The CKP sensor provides information on crankshaft position and the engine speed signal to the ECU.
3: Camshaft Position (CMP) Sensor - CMP sensor produces a signal the ECU uses to identify number 1 cylinder and to time the sequential fuel injection.
4: Air / Fuel Sensor (California models) - Some California models are equipped with an air/fuel ratio sensor mounted upstream of the catalytic converter. These sensors work similar to the O2 sensors.
5: Engine Coolant Temperature (ECT) Sensor - The ECT sensor monitors engine coolant temperature and sends the ECU a voltage signal that affects ECU control of the fuel mixture, ignition timing, and EGR operation.
6: Intake Air Temperature (IAT) Sensor - The IAT provides the ECU with intake air temperature information. The ECU uses this information to control fuel flow, ignition timing, and EGR system operation.
7: Throttle Position Sensor (TPS) - The TPS senses throttle movement and position, then transmits a voltage signal to the ECU. This signal enables the ECU to determine when the throttle is closed, in a cruise position, or wide open.
8: Mass Airflow (MAF) Sensor - The MAF sensor measures the mass of the intake air by detecting volume and weight of the air from samples passing over a hot wire element.
9: Vehicle Speed Sensor (VSS) - The vehicle speed sensor provides information to the ECU to indicate vehicle speed.
10: EGR Valve Position Sensor - The EGR valve position sensor monitors the position of the EGR pintle in relation to the operating conditions of the EGR system.
11: Vapor Pressure Sensor - The fuel tank pressure sensor is part of the evaporative emission control system and is used to monitor vapor pressure in the fuel tank. The ECU uses this information to trun on and off the vacuum swithching valves (VSV) of the evaporative emission system.
12: Power Steering Pressure (PSP) Switch - The PSP sensor is used to increase engine idle speed during low-speed vehicle maneuvers.
13: Transaxle Sensors - In addition to the vehicle speed sensor, the ECU on models with an automatic transmission / transaxle receives input signals from a direct clutch (or input shaft) speed sensor.
2: Crankshaft Position (CKP) Sensor - The CKP sensor provides information on crankshaft position and the engine speed signal to the ECU.
3: Camshaft Position (CMP) Sensor - CMP sensor produces a signal the ECU uses to identify number 1 cylinder and to time the sequential fuel injection.
4: Air / Fuel Sensor (California models) - Some California models are equipped with an air/fuel ratio sensor mounted upstream of the catalytic converter. These sensors work similar to the O2 sensors.
5: Engine Coolant Temperature (ECT) Sensor - The ECT sensor monitors engine coolant temperature and sends the ECU a voltage signal that affects ECU control of the fuel mixture, ignition timing, and EGR operation.
6: Intake Air Temperature (IAT) Sensor - The IAT provides the ECU with intake air temperature information. The ECU uses this information to control fuel flow, ignition timing, and EGR system operation.
7: Throttle Position Sensor (TPS) - The TPS senses throttle movement and position, then transmits a voltage signal to the ECU. This signal enables the ECU to determine when the throttle is closed, in a cruise position, or wide open.
8: Mass Airflow (MAF) Sensor - The MAF sensor measures the mass of the intake air by detecting volume and weight of the air from samples passing over a hot wire element.
9: Vehicle Speed Sensor (VSS) - The vehicle speed sensor provides information to the ECU to indicate vehicle speed.
10: EGR Valve Position Sensor - The EGR valve position sensor monitors the position of the EGR pintle in relation to the operating conditions of the EGR system.
11: Vapor Pressure Sensor - The fuel tank pressure sensor is part of the evaporative emission control system and is used to monitor vapor pressure in the fuel tank. The ECU uses this information to trun on and off the vacuum swithching valves (VSV) of the evaporative emission system.
12: Power Steering Pressure (PSP) Switch - The PSP sensor is used to increase engine idle speed during low-speed vehicle maneuvers.
13: Transaxle Sensors - In addition to the vehicle speed sensor, the ECU on models with an automatic transmission / transaxle receives input signals from a direct clutch (or input shaft) speed sensor.
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