Computers and Control Systems
IGNITION TIMING
Basic 5~ +/- 2~ BTDC @ Curb Idle
Actual 15~ BTDC @ Curb Idle
RESISTANCE VALUES
Coolant Temperature Sensor
32 ~F (0~C) 5.9K ohms
68 ~F (20~C) 2.5K ohms
176 ~F (80~C) 0.3K ohms
EGR Control Solenoid Valve 36-44 ohms @ 68 ~F
EGR Temperature Sensor
122~F (50~C) 60-83K ohms
212~F (100~C) 11-14K ohms
Fuel Injectors 13-16 ohms @ 68 ~F
Intake-Air Temperature Sensor
32 ~F (0~C) 6.0K ohms
68 ~F (20~C) 2.7K ohms
176 ~F (80~C) 0.4K ohms
ISC Servo Resistance Between Terminals #2 and
#1 or #3 28-33 ohms @ 68 ~F (20 ~C)
ISC Servo Resistance Between Terminals #5 and
#4 or #6 28-33 ohms @ 68 ~F (20 ~C)
Purge Control Solenoid Valve 36-44 ohms @ 68 ~F
Throttle Position Sensor Resistance
Terminals #1 and #4 3.5-6.5K ohms
OUTPUT VOLTAGE
Oxygen Sensor (Lean - Rich) 0.1 - 0.9 Volts
Throttle Position Sensor (Throttle closed) 0.4-1.0 Volts