BRAKE SYSTEM — Anti-lock Brake System (A.B.S.) BR-53 DIAGNOSTIC CODE Code No. | Light Pattern | Diagnosis | Trouble Area 11 | ON OFF | Open circuit in solenoid relay | • Actuator (inside wire check) | | | • Wire harness and connector of actuator and ECU 12 | ┌┐┌┐ | Short circuit in solenoid relay | • Wire harness and connector of actuator and ECU | | | • Actuator (solenoid relay) 13 | ┌┐┌┐┌┐ | Open circuit in pump motor relay | • Actuator (solenoid wire check) | | | • Wire harness and connector of pump motor and ECU 14 | ┌┐┌┐┌┐┌┐ | Short circuit in pump motor relay | • Wire harness and connector of pump motor and ECU | | | • Actuator (pump motor relay) 21 | ┌ ┐ | Open or short circuit in RH position solenoid of front wheel | • Actuator (solenoid check) | | | • Wire harness and connector of actuator and ECU 22 | ┌ ┐┌ ┐ | Open or short circuit in LH position solenoid of front wheel | • Actuator (solenoid check) | | | • Wire harness and connector of actuator and ECU 23 | ┌ ┐┌ ┐┌ ┐ | Open or short circuit in RH position solenoid of rear wheel | • Actuator (solenoid check) | | | 31 | ┌ ┐ | Right front wheel speed sensor signal malfunction | • Speed sensor | | | • Sensor rotor 32 | ┌ ┐┌ ┐ | Left front wheel speed sensor signal malfunction | • Wire harness and connector of speed sensor | | | • Sensor rotor 33 | ┌ ┐┌ ┐┌ ┐ | Rear wheel speed sensor signal malfunction | • Wire harness and connector of speed sensor | | | 34 | ┌ ┐┌ ┐ | One circuit in front speed sensor | • Speed sensor | | | 41 | ┌ ┐ | Low battery voltage (9.5 V or lower) | • Battery | | | • Voltage regulator 42 | ┌ ┐┌ ┐ | Abnormally high battery voltage (17.2 V or higher) | • Pump motor duty and battery | | | • Voltage regulator 51 | ┌ ┐ | Pump motor of actuator (block to open circuit in pump | • Pump motor duty and battery | | motor circuit of actuator) | • Motor circuit of actuator | | | • Kind of actuator error control circuit Always on | ┐ | Malfunction in computer | • Computer