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Home >> Mercury >> 2000 >> Villager V6-201 3.3L SOHC VIN T SFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Test H: Fuel Control
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Test H: Fuel Control

NOTE
This pinpoint test is intended to diagnose:
- HO2S/Heater
- HO2S connections
- Vacuum systems
- Fuel injector(s)
- Harness circuits: HO2SH, HO2S, INJ 1-6, and VPWR
- Powertrain Control Module (PCM)

CAUTION: Probing or piercing wiring insulation is not permitted and may allow water entry, causing corrosion and shorting which may result in HO2S failure.

Pinpoint Test Fuel Injector Schematic And Connectors:





Pinpoint Test HO2S Schematic and Connector:





PCM Circuit Data Sheet:





HO2S Voltage Chart:





Symptom/DTC Chart:






H1 And H11- H13:





H14 - H15 And H20 And H22:





H23 - H26 And H40:





H41 - H43:





H44 - H46:





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