Symptom:
P0582-SPEED CONTROL VACUUM SOLENOID CIRCUIT
When Monitored and Set Condition:
P0582-SPEED CONTROL VACUUM SOLENOID CIRCUIT
When Monitored: Ignition on. Speed Control active.
Set Condition: The PCM detects an open or short to voltage in the Speed Control Vacuum
Control circuit. One Trip Fault.
POSSIBLE CAUSES
SPEED CONTROL SOLENOID OPERATION
SPEED CONTROL VACUUM SOLENOID
(V36) S/C VACUUM SOL CONTROL CIRCUIT SHORTED TO GROUND
(V36) S/C VACUUM SOL CONTROL CIRCUIT OPEN
PCM (VACUUM SOLENOID)
TEST ACTION APPLICABILITY
1 Ignition on, engine not running.
With the DRBIIIt, read DTCs and record the related Freeze Frame data.
With the DRBIIIt, actuate the Speed Control Vacuum Solenoid and note operation.
Does the Speed Control Vacuum Solenoid actuate properly?
All
Yes → Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER-4-NGC.
No → Go To 2
2 Turn the ignition off.
Disconnect the Speed Control Servo harness connector.
Ignition on, engine not running.
With the DRBIIIt, actuate the Speed Control Vacuum Solenoid.
Using a 12-volt test light connected to ground, probe the S/C Vacuum Control circuit.
Does the test light illuminate brightly and flash?
All
Yes → Replace the Speed Control Servo.
Perform POWERTRAIN VERIFICATION TEST VER-4-NGC.
No → Go To 3
218
DRIVEABILITY - NGC
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