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EC-402 < COMPONENT DIAGNOSIS > [VQ35HR] P1572 ASCD BRAKE SWITCH Follow the procedure “With CONSULT-III” above. Is 1st trip DTC detected? YES >> Go to NO >> GO TO 3. 3. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT-III 1. Drive the vehicle for at least 5 consecutive seconds under the following conditions. CAUTION: Always drive vehicle at a safe speed. 2. Check 1st trip DTC. With GST Follow the procedure “With CONSULT-III” above. YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000003133575 1. CHECK OVERALL FUNCTION-I With CONSULT-III 1. Turn ignition switch ON. 2. Select “BRAKE SW1” in “DATA MONITOR” mode with CONSULT-III. 3. Check “BRAKE SW1” indication under the following conditions. Without CONSULT-III 1. Turn ignition switch ON. 2. Check the voltage between ECM harness connector terminals as follows. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 3. 2. CHECK OVERALL FUNCTION-II With CONSULT-III Select “BRAKE SW2” and check indication under the following conditions. VHCL SPEED SE More than 30 km/h (19 mph) Selector lever Suitable position Driving location Depress the brake pedal for more than Monitor item Condition Indication BRAKE SW1 Brake pedal Slightly depressed OFF Fully released ON ECM Condition Voltage (V) Connector + – Terminal Terminal M107 126 (ASCD brake switch signal) 128 Brake pedal Slightly depressed Approx. 0 Fully released Battery voltage |