System Specifications

Advance Ignition Timing [2]
At idle 10° BTDC

Base Ignition Timing [1]
At idle 5° BTDC

Air Flow Sensor [5]
At 750 RPM 25 - 50 Hz
At 2,000 RPM 60 - 85 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.

Coolant Temperature Switch [4]
Closed 226° F (108° C)
Open 239° F (115° C)

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

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

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

Engine Coolant Temperature Sensor Resistance
At 32° F (0° C) 5.9K Ohms
At 68° F (20° C) 2.5K Ohms
At 104° F (40° C) 1.1K Ohms
At 176° F (80° C) 300 Ohms

Fuel Pressure Control Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms

Fuel Injector Coil Resistance
At 68° F (20° C) 2 - 3 Ohms

Fuel Injector Resistor Resistance
At 68° F (20° C) 2 - 3 Ohms

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

Intake Air Temperature Sensor Resistance
At 68° F (20° C) 2.7 kOhms
At 176° F (80° C) 300 Ohms

Purge Control Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms

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

Throttle Position Sensor Adjustment Voltage
At Curb Idle 0.48 - 0.52 Volts

Throttle Position Sensor Resistance
Varies between 3.5 - 6.5 kOhms

Wastegate Solenoid Valve Resistance
At 68° F (20° C) 36 - 44 Ohms



[1] Refer to ADJUSTMENT PROCEDURES.
[2] Not adjustable.
[3] California Only.
[4] A/C Only.
[5] Measured across terminals 1 and 4.