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C1A6B BRAKE POWER SUPPLY BACKUP UNIT BR-125 < DTC/CIRCUIT DIAGNOSIS > C D E G H I J K L M A B BR N O P 4. PERFORM SELF-DIAGNOSIS (2) With CONSULT 1. Connect the electrically-driven intelligent brake unit harness connector. 2. Connect the brake power supply backup unit harness connector. 3. Connect 12V battery cable to negative terminal. 4. Turn the power switch OFF to ON without depressing the brake pedal. CAUTION: Never set the vehicle to READY. 5. Repeat step 4 two or more times. CAUTION: Be sure to wait for 5 seconds or more after turning the power switch OFF. 6. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector. 7. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for 3 minutes or more with all doors closed. CAUTION: Never operate the vehicle while waiting. 8. Turn the power switch ON without depressing the brake pedal. CAUTION: Never set the vehicle to READY. 9. Start CONSULT and erase self-diagnosis result of “BRAKE”. 10. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector. 11. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for 3 minutes or more with all doors closed. CAUTION: Never operate the vehicle while waiting. 12. Turn the power switch ON without depressing the brake pedal. CAUTION: Never set the vehicle to READY. 13. Depress brake pedal by 100 mm (3.94 in) or more, and hold the position for 5 seconds or more. 14. Release brake pedal. 15. Start CONSULT and perform “BRAKE” self-diagnosis. YES >> GO TO 5. NO >> INSPECTION END 5. CHECK POWER SWITCH ON POWER SUPPLY 1. Connect the brake power supply backup unit harness connector. 2. Connect 12V battery cable to negative terminal. 3. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector. 4. Close all doors (including back door), check that the room lamp is OFF, get out of the vehicle, and wait for 3 minutes or more with all doors closed. CAUTION: Never operate the vehicle while waiting. 5. Disconnect 12V battery cable from negative terminal. Refer to BR-6, "Precaution for Removing 12V Bat- 6. Disconnect the electrically-driven intelligent brake unit harness connector. 7. Connect 12V battery cable to negative terminal. 8. Check the voltage between the electrically-driven intelligent brake unit harness connector and ground. 9. Turn the power switch ON without depressing the brake pedal. CAUTION: Never set the vehicle to READY. 10. Check the voltage between the electrically-driven intelligent brake unit harness connector and ground. Electrically-driven intelligent brake unit — Voltage (Approx.) Connector Terminal E34 26 Ground 0 V |