Chrysler 300M 2002 Service Manual page 2687

DRIVEABILITY - NGC
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
ASD RELAY OUTPUT CIRCUIT OPEN
CAPACITOR(S) SHORTED TO GROUND
ASD OUTPUT CIRCUIT SHORTED TO GROUND
MTV SOLENOID CONTROL CIRCUIT SHORTED TO ASD RELAY OUTPUT CIRCUIT
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 and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 9
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 ASD Relay Output circuit and the
other end to the MTV Solenoid Control circuit.
With the DRBIII , actuate the MTV Solenoid.
Does the 12-volt test light flash on and off.
→ Go To 3
No
Yes → Replace the Manifold Tune Valve Solenoid.
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5.
258
APPLICABILITY
All
All