FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Using Impulse Counter

1. Start engine.
2. Using suitable multimeter, connect between terminals 1 and 5 for about 1 second.
3. The number of blinks indicates the malfunction code.
4. Malfunction codes are as follows:
a. Code 1: No malfunction.
b. Code 2: ASD control unit faulty.
c. Code 3: Stop lamp switch, ASD engagement function faulty.
d. Code 4: No left front wheel speed sensor.
e. Code 5: No right front wheel speed sensor.
f. Code 6: No rear axle speed sensor.
g. Code 7: No wheel speed signal from any sensor.
h. Code 8: ASD value or stop lamp switch engagement faulty.