1992 Jaguar XJS 2D ConvertibleFACTORY OEM SERVICE PROCEDURE

Pressure Warning Switch

NOTE: Some testing on fluid level warning switch is referenced in this procedure. Fluid level warning switch is electrically tied to pressure warning switch.

Ensure ignition is off. Depressurize brake system. See DEPRESSURIZING BRAKE SYSTEM under REMOVAL & INSTALLATION. Using DVOM, check for continuity between terminals No. 9 and 10 of ABS ECU. Continuity should not exist. If continuity exists, replace pressure switch.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.