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Home >> Geo >> 1997 >> Prizm Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes 1.6 & 1.8L >> Self-Diagnostic System >> Scan Tool Data
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Scan Tool Data

NOTE: Information contained in the following tables is typical of readings taken on a vehicle with engine idling at normal operating temperature, throttle closed, transmission in Park or Neutral, system in closed loop status, and all accessories off (except as noted in tables). For additional information, see scan tool owner's manual.
SCAN TOOL DATA VALUES

Scan Tool Parameters (1) Typical Data Value
Base Injector PWM Cylinder No. 1 (2) 2.2-4.8 mS
Command A/C OFF
Decel Fuel Enleanment Program Inactive
Diagnostic Mode Normal
ECT 176-203°F (80-95°C)
Electrical Load No
Engine Speed 650-750 RPM
Engine Load (2)
Engine RPM At Misfire Zero RPM
Engine Speed 650-750 RPM
Fuel Trim (Short Term) -20 - +20%
Fuel Trim (Long Term) -20 - +20%
Fuel Trim (Total) 0.8-1.2 Counts
HO2S-2 (2) 1-1000 mV
IAC Duty Cycle 27-43%
IAT (3)
Idle Switch IDLE
Loop Status Closed
MAP (4) 0-4.9 volts
MAP (4) 20-50 kPa
MIL Requested By DTC NO
Misfire At Load (5) 0.0/REV
Number Of Powertrain DTCs Set Zero
O2S-1 Lean/Rich Response Time 0-1000 mS
O2S-1 Rich/Lean Response Time 0-1000 mS
O2S-1 (2) 1-1000 mV
Park Neutral Position (PNP) Switch P/N
Spark -8° - -18°
Starter Switch Released
TCC Brake Switch (6) OFF
TCC Solenoid (6) OFF
TP Sensor Fully Closed Is 6-16%, Fully Open Is 65-80%
Vehicle Speed Zero MPH (Zero km/h)
(1) Scan tool parameters are with vehicle at idle, upper radiator hose hot, closed throttle, transaxle in Park or Neutral, computer controls in closed loop and accessories off.
(2) Varies.
(3) Varies with underhood temperature.
(4) Varies with altitude and barometric pressure.
(5) Engine load when misfire DTC was set, measured in grams per revolutions.
(6) Torque Converter Clutch (TCC) brake switch is only used on models equipped with 1.8L.