{"model":"mk3","model_name":"MK3 Supra","vehicle":"Toyota Supra A70 (1986.5–1992, 7M-GE / 7M-GTE)","document":"Repair Manual","section":"BR","section_name":"Brake System","page":53,"pages_in_section":72,"title":"Diagnostic Code","section_header":"Brake System — Anti-lock Brake System (A.B.S.)","ocr_text":"BRAKE SYSTEM — Anti-lock Brake System (A.B.S.)                                BR-53\n\nDIAGNOSTIC CODE\n\nCode No. | Light Pattern | Diagnosis | Trouble Area\n\n11 | ON OFF | Open circuit in solenoid relay | • Actuator (inside wire check)\n   |        |                              | • Wire harness and connector of actuator and ECU\n\n12 | ┌┐┌┐ | Short circuit in solenoid relay | • Wire harness and connector of actuator and ECU\n   |      |                                 | • Actuator (solenoid relay)\n\n13 | ┌┐┌┐┌┐ | Open circuit in pump motor relay | • Actuator (solenoid wire check)\n   |        |                                   | • Wire harness and connector of pump motor and ECU\n\n14 | ┌┐┌┐┌┐┌┐ | Short circuit in pump motor relay | • Wire harness and connector of pump motor and ECU\n   |          |                                     | • Actuator (pump motor relay)\n\n21 | ┌ ┐ | Open or short circuit in RH position solenoid of front wheel | • Actuator (solenoid check)\n   |     |                                                              | • Wire harness and connector of actuator and ECU\n\n22 | ┌ ┐┌ ┐ | Open or short circuit in LH position solenoid of front wheel | • Actuator (solenoid check)\n   |        |                                                              | • Wire harness and connector of actuator and ECU\n\n23 | ┌ ┐┌ ┐┌ ┐ | Open or short circuit in RH position solenoid of rear wheel | • Actuator (solenoid check)\n   |            |                                                              |\n\n31 | ┌  ┐ | Right front wheel speed sensor signal malfunction | • Speed sensor\n   |      |                                                   | • Sensor rotor\n\n32 | ┌  ┐┌  ┐ | Left front wheel speed sensor signal malfunction | • Wire harness and connector of speed sensor\n   |          |                                                   | • Sensor rotor\n\n33 | ┌  ┐┌  ┐┌  ┐ | Rear wheel speed sensor signal malfunction | • Wire harness and connector of speed sensor\n   |              |                                             |\n\n34 | ┌   ┐┌   ┐ | One circuit in front speed sensor | • Speed sensor\n   |            |                                   |\n\n41 | ┌    ┐ | Low battery voltage (9.5 V or lower) | • Battery\n   |        |                                      | • Voltage regulator\n\n42 | ┌    ┐┌    ┐ | Abnormally high battery voltage (17.2 V or higher) | • Pump motor duty and battery\n   |              |                                                      | • Voltage regulator\n\n51 | ┌     ┐ | Pump motor of actuator (block to open circuit in pump | • Pump motor duty and battery\n   |         | motor circuit of actuator)                             | • Motor circuit of actuator\n   |         |                                                            | • Kind of actuator error control circuit\n\nAlways on | ┐ | Malfunction in computer | • 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