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ABS DIAGNOSIS TSB Revision ANTI-LOCK BRAKING SYSTEM (ABS) 35B-145 STEP 6. Check whether the DTC is reset. YES : Replace the hydraulic unit (integrated with ABS-ECU) (Refer to ). NO : The procedure is complete. DTC U1415 Variant coding not completed CAUTION • If there is any problem in the CAN bus lines, an incor- rect diagnostic trouble code may be set. Prior to this − CAN Bus Line Diagnostic Flow • When the DTC U1415 is set in ABS-ECU, the DTC may also be set in ETACS-ECU. When the DTC is set in . OPERATION • ABS-ECU receives the vehicle information stored in the ETACS-ECU via CAN bus lines. • The ABS-ECU stores the tire size information sent from the ETACS. . DTC SET CONDITIONS This DTC is set when the tire size information is not coded to . PROBABLE CAUSES • Variant coding for ETACS-ECU has not been implemented. • Malfunction of ABS-ECU. DIAGNOSIS Required Special Tools: • MB991958: Scan Tool (M.U.T.-III Sub Assembly) • MB991824: Vehicle Communication Interface (V.C.I.) • MB991827: M.U.T.-III USB Cable • MB991910: M.U.T.-III Main Harness A STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 2. − CAN Bus Diagnostics Table ). On completion, go to Step 4. |