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Home >> Mercury >> 1994 >> Villager V6-181 3.0L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Tests >> Relay Output Check (ROC) >> Testing Notes
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Testing Notes

NOTE: You should enter this Pinpoint Test only when Quick Test Step QT9 or the Service Manual directs you here.

REMEMBER: This Pinpoint Test is intended to diagnose only the following:

- Circuits and Relays: PCM (ENGINE CONT.) Relay, AIR CON Relay (ACR), FUEL PUMP Relay (FPR), RAD FAN HI1 (HFAN1) Relay, RAD FAN HI2 (HFAN2) Relay, RAD FAN LO (LFAN) Relay, FICD Relay (this relay is controlled by the A/C system)

Use the NGS Scan Tool as a DVOM.