LEMON Manuals: Even more car manuals for everyone
Home >> Volvo >> 1998 >> S70 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Tests >> DTC P0530/EFI 225, DTC P0531/EFI 225, DTC P0532/EFI 225 & DTC P0533/EFI 225 (Turbo) >> Diagnosis (Signal Too High, Intermittent Fault)

Diagnosis (Signal Too High, Intermittent Fault)

  1. Checking cables and terminals. Check air conditioning (A/C) pressure sensor and ECM connectors for loose connections and contact resistance and oxidation.
  2. Check cable between air conditioning (A/C) pressure sensor terminal 2 and ECM terminal No. B9 for an intermittent open-circuit and an intermittent short circuit to supply voltage.
  3. Check cable between air conditioning (A/C) pressure sensor terminal 1 and ECM terminal No. B28 for an intermittent short circuit to ground.
scientia non olet · About LEMON Manuals