Computers and Control Systems

IGNITION TIMING
Leading [1] 5° +/- 1° ATDC
Trailing [1] 20° +/- 2° ATDC

IDLE SPEED
All accessories off [1] 750 +/- 25 RPM (A/T in park)
A/C on M/T 875 RPM A/T 800 RPM
A/T in "D" Range 750 RPM (at warm idle)

AIRFLOW METER
Resistance values between terminals at 68°F (20°C)
E2-Vs [2] 200 - 1k ohms
E2-Vs [3] 20 - 800 ohms
E2-Vc 200 - 400 ohms
E2-THA @
-4°F (-20°C) 10k - 20k ohms
32°F (0°C) 4k - 7k ohms
68°F (20°C) 2k - 3k ohms
104°F (40°C) 900 - 1.3k ohms
140°F (60°C) 400 - 700 ohms

CIRCUIT OPENING RELAY
Resistance between terminals
STA-E1 21 - 43 ohms
B-Fc 109 - 226 ohms
B-Fp infinity

FUEL INJECTORS
Resistance value 12 - 16 ohms

INTAKE AIR THERMOSENSOR (ENGINE)
Resistance value @
77°F (25°C) 33k +/- 4k ohms
185°F (85°C) 3.5k +/- .04k ohms

WATER THERMOSENSOR
Resistance value @
-4°F (-20°C) 16.5k +/- 1.6k ohms
68°F (20°C) 2.5k +/- 0.2k ohms
176°F (80°C) 0.3k +/- 0.1k ohms

[1] Test connector grounded
[2] Airflow meter plate fully closed
[3] Airflow meter plate fully open