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Home >> Ford >> 1994 >> Mustang V6-232 3.8L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> X - Constant Control Relay Module (CCRM) >> X157 - Check Fuel Pump Relay Coil Resistance
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X157 - Check Fuel Pump Relay Coil Resistance



- Key Off.

- Disconnect CCRM.

- Measure resistance of CCRM between Pin 18 and Pin 24.

- Is resistance between 65 and 120 ohms?

YES -- GO to X158. X158 - Check FP Circuit Continuity

NO -- REPLACE CCRM. RE-EVALUATE symptom.