Operation CHARM: Car repair manuals for everyone.

System Specifications

IGNITION TIMING 10° +/- 1° BTDC

IDLE SPEED 850 +/- 50 RPM

AIRFLOW METER
Resistance value between terminals
E2-Vs [1] 200 - 600 ohms
E2-Vs [2] 20 - 1k ohms
E1-Fc [1] infinity
E1-Fc [2] 0 ohms
E2-Vc 200 - 400 ohms
E2-THA @
-4°F (-20°C) 13.6k - 18.4k ohms
68°F (20°C) 2.21k - 26.9k ohms
140°F (60°C) 493 - 667 ohms

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

Ignition Coil
Resistance value
Primary 0.78 - 0.94 ohms
Secondary 11.2k - 15.2k ohms

INJECTOR
Resistance value 12 - 16 ohms

IDLE SPEED CONTROL (ISC) VALVE
Resistance value 68°F (20°C) 11 - 13 ohms

PURGE CONTROL SOLENOID
Resistance value 68°F (20°C) 23 - 27 ohms

WATER THERMOSENSOR
Resistance value @
-4°F (-20°C) 14.6k - 17.8k ohms
68°F (20°C) 2.2k - 2.7k ohms
179°F (80°C) 0.29k - 0.35k ohms

[1] Airflow meter plate fully closed
[2] Airflow meter plate fully open