Coolant Temperature Sensor/Switch (For Computer): Specifications

Advanced Ignition Timing [2]
At idle 15° BTDC

Base Ignition Timing [1]
At idle 5° BTDC

Air Flow Sensor
At 750 RPM 20 - 50 Hz
At 2,000 RPM 70 - 100 Hz

Barometric Pressure Sensor Voltage
(W/ key on and engine off)
At sea level Approximately 4.0 volts
At 2,000 ft. Approximately 3.75 volts
At 4,000 ft. Approximately 3.50 volts
At 6,000 ft. Approximately 3.25 volts

Engine Coolant Temperature Sensor Resistance
At 68°F (20°C) 2.5 Kohms
At 176°F (80°C) 300 Ohms

Crank Angle Sensor
Approximate Voltage at idle 1.8 - 2.5v (needle fluctuates)

EGR Temperature Sensor Resistance [3]
At 122°F (50°C) 60K - 83K Ohms
At 212°F (100°C) 11K - 14K Ohms

EGR Control Solenoid Valve Resistance [3]
At 68°F (20°C) 36 - 44 Ohms

Idle Speed Control Servo Resistance
At 20°C (68°F) 28 - 33 ohms

Primary Coil Resistance
At 20°C (68°F) 0.67 - 0.81 ohms

Secondary Coil Resistance
At 20°C (68°F) Approx 11.3 - 15.3 Kohms

TDC Sensor
Approximate Voltage at idle 2.0 - 2.5v (needle fluctuates)

Throttle Position Sensor Adjustment Voltage
At curb Idle 0.4 - 0.1 Volts

Throttle Position Sensor Resistance
Resistance 3.5 - 6.5 Kohms

Variable Induction Control Servo
Resistance 2 - 35 Ohms 68°F (20°C)

[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.
[3] California Only.