System Specifications

IDLE SPEED [1] 750 +/- 25 rpm (ATX in park)

IGNITION TIMING TURBO [1] 9° +/- 1° BTDC

IGNITION TIMING NON TURBO [4] 6° +/- 1° BTDC

AIRFLOW METER
Resistance value between terminals
E2 - Vs [2] 20 - 400 ohms
E2 - Vs [3] 20 - 1k ohms
E1 - Fc [2] infinity
E1 - Fc [3] 0 ohms
E2 - Vc 100 - 400 ohms
E2 - Vb 200 - 400 ohms
E2 - THA @
-4°F (-20°C) 13.6 - 18.4k ohms
68°F (20°C) 2.21 - 2.69k 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

FUEL INJECTOR
Resistance value 12 - 16 ohms

IDLE SPEED CONTROL (ISC) VALVE
Resistance value 6.3 - 9.9 ohms

IGNITION COIL
Resistance value
Primary circuit [5] 0.72 - 0.88 ohms
Primary circuit [6] 0.77 - 0.95 ohms
Secondary circuit 10.3 - 13.9k ohms

[1] Ground test connector
[2] Airflow meter plate fully closed
[3] Airflow meter plate fully open
[4] Vacuum hoses disconnected and plugged
[5] Turbo
[6] Non Turbo