Circuit/System Verification

• If only DTC P0325, P0327, P0328, P0330, P0332, P0333 is set 

  Refer to: Circuit/System Testing

• If only DTC P06B6, P06B7 is set 

  Replace the component: K20 Engine Control Module

• Go to next step: If none of the DTCs are set 

Perform the action while monitoring the parameter:

• Wiggle the harness and connector: B68A Knock Sensor 1 & B68B Knock Sensor 2
• Wiggle the harness and connector: K20 Engine Control Module

• If not the specified state 

  Repair as necessary - Wiring/Terminal(s)/Electrical Connector(s)

• Go to next step: If the specified state 

• If the DTC is set 

1. Verify a condition does not exist with the component: B68 Knock Sensor
   • Incorrect installation - Refer to: Fastener Specifications
   • Interference with other components or objects - Bracket/Engine Wiring Harness/Hoses/Lines
   • Visible Damage
   • If a condition exists - Repair or replace as necessary
   • Go to next step: If no condition exists
2. Verify the condition did not cause the DTC to set:
   • Accessory drive bracket - Loose/Visible Damage
   • Drive Belt & Belt Driven Device - Loose/Visible Damage
   • Engine - Mechanical Condition - Refer to: Symptoms - Engine Mechanical
   • Fuel - Contaminated/Poor Quality
   • If a condition exists - Repair or replace as necessary
   • If all conditions test normal - Test or replace the component: B68 Knock Sensor

• Go to next step: If none of the DTCs are set 

Verify the DTC does not set.

• If the DTC sets 

  Refer to: Circuit/System Testing

• Go to next step: If the DTC is not set