P1595

Test 1 - 4:

Test 5 - 9:

Test 10 - 13:

SYMPTOM
P1595-SPEED CONTROL SOLENOID CIRCUITS

WHEN MONITORED
With the ignition key on, the speed control switched on, the SET switch pressed and the vehicle in drive gear moving above 35 MPH.

SET CONDITION
The powertrain control module actuates the vacuum and vent solenoids but they do not respond.

POSSIBLE CAUSES
- (Z10) ground circuit open
- Intermittent condition
- Speed control servo
- (V30) S/C brake switch output circuit open
- Brake lamp switch
- (V32) S/C power supply circuit open
- S/C vacuum solenoid
- (V36) S/C vacuum sol control circuit open
- (V36) S/C vacuum sol control circuit shorted to ground
- S/C vent solenoid
- (V35) S/C vent sol control circuit open
- (V35) S/C vent sol control circuit shorted to ground
- PCM