Oxygen Sensor
IGNITION TIMING 10° BTDC @ 800 rpmVOLTAGE AND RESISTANCE
Canister Purge Vacuum Switching Valve
Resistance approx. 35 Ohms
Coolant Temperature Sensor
-18°C (0°F) 250K ohms
4°C (40°F) 7.5K ohms
20°C (68°F) 3.4K ohms
70°C (160°F) 450 ohms
100°C (212°F) 185 ohms
EGR Electronic Air Control Valve
Resistance over 20 ohms
Idle Air Control (IAC) Valve
Between terminals A and B above 20 ohms
Between terminals C and D above 20 ohms
Manifold Absolute Pressure (MAP) Sensor
Altitude (meters / feet) related to voltage:
Below 305 / 1000 3.8 - 5.5V
305-610 / 1000-2000 3.6 - 5.3V
914-1219 / 3000-4000 3.3 - 5.0V
1219-1524 / 4000-5000 3.2 - 4.8V
1524-1829 / 5000-6000 3.0 - 4.6V
2133-2438 / 7000-8000 2.8 - 4.3V
2743-3048 / 9000-10,000 2.5 - 4.0V
Oxygen Sensor
Voltage range approx. 1.0 - 0.1V
Throttle Position Sensor
Signal voltage to ECM at idle approx. 0.5V
Signal voltage to ECM at WOT approx. 5.0V
Vehicle Speed Sensor
Signal to ECM approx. 2000 pulses per mile