FixVault

P1386-Knock Sensor System Failure: Notes

Fig 1: Knock Sensor System Circuit Schematic
GC0034360Courtesy of CHRYSLER LLC
  1. When Monitored  : After the anti-knock control is shut off and the engine is at operating temperature.
  2. Set Condition  : The anti-knock control test has failed Ten consecutive times in a row.
Possible Causes 
POWERTRAIN CONTROL MODULE

For a complete Powertrain Control Module Circuit Diagram,