Table 5. Troubleshooting and Repair.

TM 9-2320-303-24-1

ANTI-LOCK BRAKE SYSTEM TROUBLESHOOTING AND TESTING - CONTINUED

0019 00

DIAGNOSTICS - CONTINUED

Repairs Required by Blink Codes:

For the specific tests or repairs required by each blink code, see Table 5.

Table 5. Troubleshooting and Repair.

BLINK CODE

ACTION REQUIRED

REFERENCE

2-1

Check the ABS modulator valve, valve cable, Do the Resistance Check.

2-2

and connections.

2-3

2-4

2-5

2-6

3-1

Adjust the wheel sensor to touch the tooth wheel. Do the Sensor Adjustment, Sensor Voltage Test,

3-2

Check the sensor gap. Check for loose wheel or Pro-Link Component Test.

3-3

bearings or excessive hub runout.

3-4

3-5

3-6

4-1

Check sensor, sensor cable, and connectors.

Do the Resistance Check.

4-2

4-3

4-4

4-5

4-6

5-1

Check for tire size mismatch or tooth wheel Review the Tire Size Range.

5-2

difference.

5-3

5-4

5-5

5-6

6-1

Check for damaged tooth wheel.

6-2

6-3

6-4

6-5

6-6

7-1

Check for proper data link connection (J1922 and Refer to the wiring diagrams.

J1939)

7-2

Check the ATC valve, valve cables, and Do the Resistance Check.

connectors. (Not used)

7-3

Check the brake relay connections.

Refer to the wiring diagrams.

7-4

Check the ABS warning light connections.

7-5

Verify proper ATC set up. (Not used)

7-6

Verify the accuracy of the blink code and clear it Review Blink Code Diagnostics.

from the ECU memory.

0019 00-14