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Home >> Ford >> 1994 >> Thunderbird V8-281 4.6L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> X - Constant Control Relay Module (CCRM) >> X46 - Check Power-to-(Low Speed) Fan Circuit Continuity
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X46 - Check Power-to-(Low Speed) Fan Circuit Continuity



- Key Off.

- CCRM disconnected.

- Disconnected cooling fan.

- Measure resistance between the Power-to-(Low Speed) Fan circuit pin at the cooling fan vehicle harness connector and Pins 1 and 2 at the CCRM vehicle harness connector.

- Are both resistances less than 5.0 ohms?

YES -- GO to X47. X47 - Check CCRM

NO -- SERVICE open in Power-to-(Low Speed) Fan circuit between the CCRM and the FANM splice into the circuit. RECONNECT all components. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes
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