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ABS DIAGNOSIS TSB Revision ANTI-LOCK BRAKING SYSTEM (ABS) 35B-181 . RESISTANCE AND CONTINUITY BETWEEN Required Special Tool: switch to LOCK (OFF) position, connect the special tool 2. Check for continuity between terminals shown in the chart below. 3. Terminal layout is shown in the figure. Terminal No. Check item Check conditions Normal condition 7 ABS-ECU power supply Ignition switch: ON Approximately system voltage Ignition switch: OFF 1Volt or less 13 Motor power supply Ignition switch: ON (OFF) Approximately system voltage 16 Wheel speed sensor (RR) power supply Ignition switch: ON Approximately system voltage 18 Wheel speed sensor (FL) power supply Ignition switch: ON Approximately system voltage 22 Wheel speed sensor (FR) power supply Ignition switch: ON Approximately system voltage 24 Wheel speed sensor (RL) power supply Ignition switch: ON Approximately system voltage 26 Solenoid valve power supply Ignition switch: ON (OFF) Approximately system voltage AC611137 BB ABS-ECU MB991974 A-01 ABS-ECU Check harness Terminal No. Signal Normal conditions 1 − body ground Ground Continuity exists (2 Ω or less) 14 − body ground Ground Continuity exists (2 Ω or less) |