Chart A Service ABS Indicator on With No DTC's Set

Fig. 8 Chart A: Service ABS Indicator Illuminated W/No Diagnostic Trouble Codes Set (Part 1 Of 2).:

Fig. 8 Chart A: Service ABS Indicator Illuminated W/No Diagnostic Trouble Codes Set (Part 2 Of 2).:

Chart A "SERVICE ABS" Indicator "ON" With No DTC's Set:

CHART TEST DESCRIPTION
Number(s) below refer to circled number(s) on the diagnostic chart.
1. Confirms that a malfunction condition exists.
2. Determines whether the malfunction is due to a DTC setting condition, an indicator low side circuit malfunction, or an EBTCM supply power malfunction.
3. Checks whether the power feed fuse is open.
4. Checks for an open power feed circuit.
5. Checks for an open in the ground feed to the EBTCM.
6. Checks for proper connection of EBTCM ground CKT 1051.
7. Checks whether the fuse malfunction is due to a short to ground.
8. Identifies if the short to ground found in Step 7 is in CKT 439 or the EBTCM.
9. Checks for proper retention of EBTCM harness connector.
10. Checks for damaged EBTCM harness connector.
11. Checks for a damaged connector (broken/missing lift finger) on the EBTCM itself, or for a short to ground in CKT 867.