(P0330) Knock Sensor #2 Circuit Low

(P0330) KNOCK SENSOR #2 CIRCUIT LOW






When Monitored and Set Condition
^ When Monitored: With the Engine at operating temperature, engine speed greater than 2000 RPM, load greater than 40%, and Anti-Knock control not active.
^ Set Condition: Knock Sensor voltage is less than 0.10 volts.

POSSIBLE CAUSES
KNOCK SENSOR SIGNAL CIRCUIT OPEN
KNOCK SENSOR SIGNAL CIRCUIT SHORT TO GROUND
SENSOR GROUND CIRCUIT OPEN
SENSOR GROUND CIRCUIT SHORTED TO GROUND
KNOCK SENSOR
POWERTRAIN CONTROL MODULE

Diagnostic Test
1. CHECK FOR CURRENT DTC





Turn the ignition on.
With the DRB III, read the PCM DTCs.
Is this DTC preset?
Yes>> For complete diagnosis of this DTC, (P0325) Knock Sensor #1 Circuit Low
No>> Go To 2

2. INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.

Note: Check connectors-Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the wires while checking for shorts and open circuits.

Note: Check for any Technical Service Bulletins that may apply.

Were there any problems found?
Yes>> Repair as necessary.
Perform Powertrain Verification Test - Ver 2
No>> The condition that caused this DTC to set is currently
not present. Inspect the related wiring harness for a possible intermittent condition.