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DTC B1372: Left Front Wheel Sensor; Open Circuit

  1. Disconnect front left wheel sensor connector. Turn ignition on. Measure voltage between front left wheel sensor connector terminal No. 1 and ground. See Fig 1 . If 4.7 volts are present, go to next step. If 4.7 volts are not present, repair open circuit in wire between ABS ECM and wheel sensor. After repair, go to step  3 .
  2. Measure voltage between front left wheel sensor connector terminal No. 2 and battery voltage. If battery voltage is present, replace wheel sensor. If battery voltage is not present, repair open circuit in wire between wheel sensor and ABS ECM. See WIRING DIAGRAMS  . After repair, go to next step.
  3. Erase DTC. Test drive vehicle at various speeds for 5 minutes. If DTC reoccurs, replace ABS ECM.
    Fig 1: Identifying Front Wheel Sensor Connector Terminals
    G00012819Courtesy of SAAB-SCANIA OF AMERICA, INC.
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