PINPOINT TEST DG: Knock Sensor (KS): Introduction

This pinpoint test is intended to diagnose the following:

• KS1 and KS2 (12A699)
• harness circuits: KS1+, KS1-, KS2+, and KS2-
• powertrain control module (PCM) (12A650)
  Fig 1: Identifying Knock Sensor 1 (KS1) Connector

  Courtesy of FORD MOTOR CO.

Fig 2: Identifying Knock Sensor 2 (KS2) Connector

Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector 

For PCM connector views or reference values, refer to REFERENCE VALUES article.