LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2002 >> ZX2 Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - System Tests A Through FB - EEC-V - Gasoline & NGV >> Test DQ: Barometric Pressure Sensor >> Diagnostic Aids

Diagnostic Aids

Perform this test when directed by QUICK TEST. This system test is intended to diagnose:

VREF voltage should be 4-6 volts. BARO PID reading is in frequency/volts.

Fig 1: Identifying BARO Sensor Circuits & Connector Terminals
G99F02087Courtesy of FORD MOTOR CO.
BARO SENSOR SPECIFICATIONS

In. Hg (kPa) Frequency (Hz) Altitude Above Sea Level (Feet)
3.5 (11.8) 89.3 N/A
5 (16.9) 92.8 N/A
10 (33.8) 104.6 N/A
15 (50.7) 117.0 14000
20 (67.5) 129.6 10000
21 (70.9) 132.5 9000
22 (74.3) 135.4 8000
23 (77.7) 138.3 7000
24 (81.1) 141.1 6000
25 (84.4) 144.0 5000
26 (87.8) 146.9 4000
27 (91.2) 149.8 3000
28 (94.6) 152.8 2000
29 (97.9) 155.8 1000