LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 1993 >> SC 400 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Miscellaneous Controls >> Cooling Fan >> Cooling Fan Relay No. 1 & 2 (LS400)

Cooling Fan Relay No. 1 & 2 (LS400)

  1. Disconnect cooling fan relay No. 1. See Figure. If cooling fan relay No. 1 tests okay, disconnect cooling fan relay No. 2.
  2. Use an ohmmeter to check for continuity between relay terminals No. 1 and 2. See Figure-29. Check for continuity between relay terminals No. 3 and 4. If no continuity exists, replace cooling fan relay.
  3. Apply battery voltage between relay terminals No. 1 and 2. Using an ohmmeter, ensure continuity is not present between relay terminals No. 3 and 4. If continuity is present, replace relay.
scientia non olet · About LEMON Manuals