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Home >> Cadillac >> 1996 >> Seville STS >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Diagnosis >> Using Tech 1 >> Auto Test (Automatic Test)
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Auto Test (Automatic Test)

  1. This test cycles each solenoid valve, pump motor and necessary relays to check component operation. Perform test as follows. Using Tech 1, select F4: MISC TESTS and then F1: AUTO TEST.
  2. Press ENTER. Valves can be heard and felt cycling from hydraulic control unit. Have assistant verify that pump motor turned on. Go to DIAGNOSTIC CODE CHARTS if codes are set.
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