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5000S & 5000CS Turbo

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1989 Audi 90, 1989 Audi 80, 1989 Audi 200, 1989 Audi 100, and 1988 Audi 90. However, it is still accessible from the selected car via links, so may be relevant.
  1. Item Being Tested - ABS Control Unit Control Current For Left Front Solenoid Valve Place ABS tester in program switch position No. 19. Press button No. 8 and wait for button No. 5 to light up. Press button No. 5, while lit, and then release.
  2. Pump motor should start up 2 times. Display on ABS tester should read 4.5-6.1 amps after a few seconds. If correct, go to next step. If incorrect, repeat step 1) several times with engine running. If reading is still incorrect, replace ABS control unit.
  3. Item Being Tested - ABS Control Unit Control Current For Right Front Solenoid Valve Wait for digital display to zero. Press button No. 9 and wait for button No. 5 to light up. Press button No. 5, while lit, and then release.
  4. Pump motor should start up 2 times. Display on ABS tester should read 4.5-6.1 amps after a few seconds. If correct, go to next step. If incorrect, repeat step 3) several times with engine running. If reading is still incorrect, replace ABS control unit.
  5. Item Being Tested - ABS Control Unit Control Current For Left Rear Solenoid Valve Wait for digital display to zero. Press button No. 11 and wait for button No. 5 to light up. Press button No. 5, while lit, and then release.
  6. Pump motor should start up 2 times. Display on ABS tester should read 4.5-6.1 amps after a few seconds. If correct, go to next step. If incorrect, repeat step 5) several times with engine running. If reading is still incorrect, replace ABS control unit.
  7. Item Being Tested - ABS Control Unit Control Current For Right Rear Solenoid Valve Wait for digital display to zero. Press button No. 12 and wait for button No. 5 to light up. Press button No. 5, while lit, and then release.
  8. Pump motor should start up 2 times. Display on ABS tester should read 4.5-6.1 amps after a few seconds. If correct, TEST 19 is completed. If incorrect, repeat step 7) several times with engine running. If reading is still incorrect, replace ABS control unit.
NOTE: On 5000S and 5000CS Turbo, after TEST 19 is completed, perform TEST 24. TEST 24 must be performed before TEST 23.
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