Chrysler Concorde 2004 Service Manual page 913

Symptom:
P0660-MANIFOLD TUNE VALVE SOLENOID CIRCUIT
When Monitored and Set Condition:
P0660-MANIFOLD TUNE VALVE SOLENOID CIRCUIT
When Monitored: With the ignition on. ASD Relay energized. Battery voltage greater
than 10 volts.
Set Condition: The PCM senses the MTV is not at the desired state. One Trip Fault.
INTERMITTENT CONDITION
MANIFOLD TUNE VALVE SOLENOID OPERATION
MTV SOLENOID GROUND CIRCUIT OPEN
MTV SOLENOID CONTROL CIRCUIT SHORTED TO BATTERY VOLTAGE
MTV SOLENOID CONTROL CIRCUIT SHORTED TO GROUND
MTV SOLENOID CONTROL CIRCUIT OPEN
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs.
Is the Good Trip displayed and equal to zero?
Yes → Go To 2
→ Go To 8
No
2 Turn the ignition off.
Disconnect the Manifold Tune Valve Solenoid harness connector.
Turn the ignition on
Using a 12-volt test light, connect one end to the MTV Solenoid ground circuit and
the other end to the MTV Solenoid Control circuit in the MTV harness connector.
With the DRBIII , actuate the MTV Solenoid.
Does the 12-volt test light flash on and off?
Yes → Replace the Manifold Tune Valve Solenoid.
→ Go To 3
No
3 Turn the ignition off.
Disconnect the MTV Solenoid harness connector.
Using a 12-volt test light connected to battery voltage, probe the MTV Solenoid
ground circuit in the MTV Solenoid harness connector.
Does the 12-volt test light illuminate brightly?
Yes → Go To 4
→ Repair the open in the MTV Solenoid ground circuit.
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - NGC
255
APPLICABILITY
All
All
All