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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Diagnostic Information and Procedures >> DTC P0480 (LS1) >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 2. Listen for an audible click when the cooling fan 1 relay operates. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3. Tests for voltage at the coil side of the cooling fan 1 relay. The cool fan fuse supplies battery positive voltage to the coil side of the cooling fan 1 relay.
  3. 4. Verifies that the PCM is providing ground to the cooling fan 1 relay.
  4. 5. Tests if ground is constantly being applied to the cooling fan 1 relay.
Fig 1: DTC P0480 (LS1) Table
G01730495Courtesy of GENERAL MOTORS CORP.
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