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C1A85 CONTROL MODULE BR-229 < DTC/CIRCUIT DIAGNOSIS > C D E G H I J K L M A B BR N O P 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 8. NO >> INSPECTION END 8. CHECK 12V BATTERY POWER SUPPLY 1. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector. 2. 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. 3. Disconnect 12V battery cable from negative terminal. Refer to BR-6, "Precaution for Removing 12V Bat- 4. Disconnect the electrically-driven intelligent brake unit harness connector. 5. Connect 12V battery cable to negative terminal. 6. Check the voltage between the electrically-driven intelligent brake unit harness connector terminals. 7. Turn the power switch ON without depressing the brake pedal. CAUTION: Never set the vehicle to READY. 8. Check the voltage between the electrically-driven intelligent brake unit harness connector terminals. Is the inspection result normal? YES >> GO TO 11. NO >> GO TO 9. 9. CHECK 12V BATTERY POWER SUPPLY CIRCUIT 1. Turn the power switch OFF to exit CONSULT, and disconnect CONSULT from data link connector. 2. 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. 3. Disconnect 12V battery cable from negative terminal. Refer to BR-6, "Precaution for Removing 12V Bat- 4. Check the 60A fusible link (#F). 5. Check the continuity and for short circuit between harness connector terminal 1 of electrically-driven intel- ligent brake unit and 60A fusible link (#F). 6. Check the continuity and for short circuit between harness connector terminal 2 of electrically-driven intel- ligent brake unit and 60A fusible link (#F). Electrically-driven intelligent brake unit Voltage (Approx.) Connector Terminal E34 1 − 32 10 − 16 V 2 − 32 28 − 32 Electrically-driven intelligent brake unit Voltage (Approx.) Connector Terminal E34 1 − 32 10 − 16 V 2 − 32 28 − 32 |