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Cooling Fan Relay No. 3

  1. Disconnect negative battery cable. Remove cooling fan relay No. 3 from fuse/relay box. See COMPONENT LOCATIONS . Using an ohmmeter, check for continuity between relay terminals No. 1 and 2. See Fig 1. If no continuity exists, replace relay. Check that no continuity exists between relay terminals No. 3 and 5. If continuity exists, replace relay.
  2. To check relay operation, connect positive battery voltage to terminal No. 1. Connect ground to terminal No. 2. Check for continuity between relay terminals No. 3 and 5. If no continuity exists, replace relay. Reinstall cooling fan relay No. 3.
Fig 1: Identifying Cooling Fan Relay Terminals
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