Anti-Lock Braking System (ABS)
ABS TROUBLE CODE DIAGNOSISRetrieving ABS Diagnostic Trouble Codes
Using Scan Tool MB991502
Required Special Tool:
^ MB991502: Scan Tool (MUT-II)
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOOK" (OFF) position before connecting or disconnecting the scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Use scan tool MB991502 to check for ABS diagnostic trouble codes.
4. Turn the ignition switch to the "LOOK" (OFF) position.
5. Disconnect scan tool MB991502.
Using the ABS Warning Light and Special Tool MB991529
Required Special Tool:
^ MB991529: Diagnostic Trouble Code Check Harness
1. Use special tool MB991529 to ground number 1 terminal of the data link connector.
CAUTION: Do not depress the brake pedal after the ignition switch is turned to the "ON" position. If the brake pedal is depressed while the ABS is inoperative and the ignition switch is "ON," the ABS warning light will remain on. Because of this, diagnostic trouble codes will not be read out.
2. Turn the ignition switch to the "ON" position.
3. Read out a diagnostic trouble code by observing how the warning light flashes.
4. Disconnect special tool MB991529.