Eclipse L4-1997cc 2.0L DOHC Turbo (1990)
Barometric Pressure Sensor: Testing and Inspection
Non-Turbo
Barometric Pressure Sensor Circuit
To test the Barometric Pressure Sensor, located on the air flow sensor, in the air cleaner housing, proceed as follows.
COMPONENT TEST
1. Connect a Voltmeter between terminals 4 and 5 of the AFS Sensor connector.
Terminal 5: Barometric sensor output
Terminal 4: sensor ground
Terminal 3: sensor 5v power
Voltage (W/ key on and engine off)
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At sea level
Approximately 4.0 Volts.
-
At 2,000 ft.
Approximately 3.75 Volts.
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At 4,000 ft.
Approximately 3.50 Volts.
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At 6,000 ft.
Approximately 3.25 Volts.
2. Warm the engine and bring it to a normal idle.
