Pinpoint Test Km: Air Conditioning Clutch (A/Cc) Relay Circuit: Introduction

WARNING: This page is about a different variant/trim than selected.

WARNING: THIS VEHICLE IS EQUIPPED WITH HIGH VOLTAGE CABLES, COMPONENTS, AND WIRING. THE HIGH VOLTAGE WARNING LABELS CONTAINING THE HIGH VOLTAGE SYMBOL ARE LOCATED ON EACH HIGH VOLTAGE COMPONENT. HIGH VOLTAGE CABLES AND WIRING ARE ORANGE IN COLOR. CERTIFIED RUBBER INSULATING GLOVES AND A FACE SHIELD MUST BE WORN WHEN WORKING WITH THE HIGH VOLTAGE CABLES, COMPONENTS, OR WIRING. THE IGNITION KEY MUST BE CYCLED TO THE OFF POSITION FOR A MINIMUM OF 5 MINUTES, AND THE HIGH VOLTAGE TRACTION BATTERY SERVICE DISCONNECT PLUG PLACED IN THE SERVICING/SHIPPING POSITION BEFORE DISCONNECTING THE HIGH VOLTAGE CABLES. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH.
DO NOT DISCONNECT, DISABLE, OR TOUCH THE HIGH VOLTAGE CABLES, COMPONENTS, OR WIRING DURING THE MODULE REPROGRAMMING PROCEDURE BECAUSE HIGH VOLTAGE IS PRESENT. THE HIGH VOLTAGE WARNING LABELS CONTAINING THE HIGH VOLTAGE SYMBOL ARE LOCATED ON EACH HIGH VOLTAGE COMPONENT. HIGH VOLTAGE CABLES AND WIRING ARE ORANGE IN COLOR. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY OR DEATH.

This pinpoint test is intended to diagnose the following:

A/CC relay
harness circuits: VPWR, A/CCR
air conditioning refrigerant distribution valve (A/CRDV)
powertrain control module (PCM) (12A650)

Fig 1: Air Conditioning Clutch (A/CC) Relay Connector

Courtesy of FORD MOTOR CO.

AIR CONDITIONING CLUTCH (A/CC) RELAY CONNECTOR PIN REFERENCE CHART

Pin	Circuit
2	A/CCR (Air Conditioning Clutch Relay)
1	VPWR (Vehicle Power)

Fig 2: Air Conditioning Refrigerant Distribution Valve (A/CRDV) Solenoid Connector

Courtesy of FORD MOTOR CO.

AIR CONDITIONING REFRIGERANT DISTRIBUTION VALVE (A/CRDV) SOLENOID CONNECTOR PIN REFERENCE CHART

Pin	Circuit
1	A/CRDV (Air Conditioning Refrigerant Distribution Valve)
2	VPWR (Vehicle Power)

Fig 3: Powertrain Control Module (PCM) Connector

Courtesy of FORD MOTOR CO.

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART

Pin	Circuit
T28	A/CRDV (Air Conditioning Refrigerant Distribution Valve)
B2	A/CCR (Air Conditioning Clutch Relay)