P0580

Test 1 - Test 3:

Test 4 - Test 7:

SYMPTOM
P0580-SPEED CONTROL SWITCH NO.1 LOW

WHEN MONITORED
With the ignition key on. Battery voltage above 10 volts.

SET CONDITION
When switch voltage is less than 0.60 of a volt for 2 minutes.

POSSIBLE CAUSES
- Speed control switch voltage low
- Speed control on/off switch
- Speed control resume/accel switch
- Clockspring
- (V37) S/C signal circuit shorted to the (K900) sensor ground circuit
- (V37) S/C signal circuit shorted to ground
- PCM