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EC-274 < COMPONENT DIAGNOSIS > [VQ25DE, VQ35DE] 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:0000000003856755 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 and ground. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 3. 2. CHECK OVERALL FUNCTION-II With CONSULT-III Check “BRAKE SW2” indication in “DATA MONITOR” mode. VHCL SPEED SE More than 30 km/h (19 mph) Selector lever Suitable position Driving location Depress the brake pedal for more than 5 Monitor item Condition Indication BRAKE SW1 Brake pedal Slightly depressed OFF Fully released ON ECM Condition Voltage + − Connector Terminal Connector Terminal E16 110 (ASCD brake switch signal) E16 112 Brake pedal Slightly depressed Approx. 0V Fully released Battery voltage |