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: Knock Sensor 1 (KS1) Connector (1 Of 3)

Courtesy of FORD MOTOR CO.

Fig 2: Knock Sensor 1 (KS1) Connector (2 Of 3)

Courtesy of FORD MOTOR CO.

Fig 3: Knock Sensor 1 (KS1) Connector (3 Of 3)

Courtesy of FORD MOTOR CO.

Fig 4: Knock Sensor 2 (KS2) Connector

Courtesy of FORD MOTOR CO.

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