Knock Retard

Scan Tool Range 0.0 degrees to 25.5 degrees. The Knock Retard display indicates the amount of spark the PCM is removing from IC spark advance in response to the signal from the knock sensors. The Traction Control system Desired Torque signal from the EBTCM may cause knock Retard to display a value greater than 0.0 degrees if Traction Control is active.