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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Electric Cooling Fans - 3.5L) >> Component Tests >> Procedure "B"

Procedure "B"

WARNING: This page is about a different variant/trim than selected.
  1. Turn ignition switch OFF. Disconnect cooling fan motor No. 1 harness connector and cooling fan motor No. 2 harness connector. See Figure .
  2. Disconnect IPDM E/R harness connectors E118 and E123. See COMPONENT LOCATIONS  . Check harness continuity between the following:
    • Cooling fan motor No. 1 connector terminal No. 2 and IPDM E/R connector terminal No. 11. See WIRING DIAGRAMS  . Continuity should exist.
    • Check harness continuity between cooling fan motor No. 1 connector terminal No. 3 and IPDM E/R connector terminal No. 9. See WIRING DIAGRAMS  . Continuity should exist.
    • Cooling fan motor No. 2 connector terminal No. 2 and IPDM E/R connector terminal No. 10. Continuity should exist.
    • Cooling fan motor No. 2 connector terminal No. 3 and IPDM E/R connector terminal No. 12. Continuity should exist.
    • IPDM E/R connector terminal No. 14 and ground. Continuity should exist.
    • Also check harness for short to ground and short to power.
  3. If circuit checks OK, go to COOLING FAN MOTORS (NO. 1 & 2)  . If problem is found in circuit, repair open circuit or short to ground or short to power in harness or connectors.