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Home >> Ford >> 2004 >> Focus LX, 2.3 Z, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Pinpoint Test KE: Idle Air Control (IAC) Valve Through Pinpoint Test QA: Unable To Activate Self-Test/Network Communication Error/DTC P1001 - CNG, Flex-Fuel & Gasoline >> Pinpoint Test KJ: Supercharger Bypass Control >> Introduction >> Notes
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Pinpoint Test KJ: Supercharger Bypass Control: Introduction: Notes

NOTE: This pinpoint test is intended to diagnose the following:
  • Supercharger (boost) bypass solenoid (9H465) (part name is: thermactor air control solenoid/vacuum valve assembly).
  • Vacuum reservoir assembly (9J442).
  • Vacuum Hoses.
  • Harness circuits: SCBC, VPWR and PWRGND.
  • Powertrain control module (PCM) (12A650).
  • Supercharger assembly (including the supercharger bypass actuator) (6F076).
Fig 1: Supercharger Bypass Control Vacuum Diagram
G03626755Courtesy of FORD MOTOR CO.
Fig 2: Identifying Super Charger Bypass Control (SCBC) Solenoid Connector
G03626756Courtesy of FORD MOTOR CO.