LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Miscellaneous Controls >> A/C Clutch Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

A/C Clutch Relay

  1. A/C clutch relay is controlled by ECM. Under normal conditions, ECM will engage clutch relay by providing a ground circuit for relay windings. If ECM receives a wide open throttle signal from throttle position sensor while it is also receiving an A/C on signal from A/C auto amplifier, ECM will disengage relay.
  2. Remove A/C relay located in underhood relay box. Apply battery voltage to terminals No. 1 and 2. See Figure and Figure . Continuity should exist between terminals No. 3 and 5. When battery voltage is removed, continuity should not exist. Replace relay if continuity is not as specified.
scientia non olet · About LEMON Manuals