PINPOINT TEST KP: Charge Air Cooler (CAC) Pump: Introduction

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This pinpoint test is intended to diagnose the following:

CAC pump relay (14B192)
CAC pump (8501)
harness circuits: CAC, VPWR and GND
powertrain control module (PCM) (12A650)

Fig 1: Identifying Charge Air Cooler (CAC) Pump Connector
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Charge Air Cooler (CAC) Relay Connector
Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector

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

Pin	Circuit
B51	CAC (Charge Air Cooler)