Diagnostic Aids

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Perform this test when instructed during QUICK TEST or if directed by other test procedures. This test is used to diagnose the following:

Charge Air Cooler (CAC) Pump Relay
CAC Pump Motor
Fuse No. 23 (15-Amp) & Fuse No. 106 (20-Amp), Located In Battery Junction Box.
Wiring Harness Circuits (B+, CAC, CAC PUMP PWR & VPWR). See Fig 1 & Fig 2 .

Fig 1: Identifying Charge Air Cooler Pump Relay Cavities & Circuits

Courtesy of FORD MOTOR CO.

Fig 2: Identifying Charge Air Cooler Pump Motor Harness Connector Terminals

Courtesy of FORD MOTOR CO.