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DTC P1572 ICC BRAKE SWITCH EC-465 < SERVICE INFORMATION > [VQ35DE] C D E F G H I J K L M A EC N P O DTC P1572 ICC BRAKE SWITCH Component Description INFOID:0000000001326330 When the brake pedal is depressed, ICC brake switch is turned OFF CONSULT-III Reference Value in Data Monitor Mode INFOID:0000000001326331 Specification data are reference values. On Board Diagnosis Logic INFOID:0000000001326332 • This self-diagnosis has the one trip detection logic. • This self-diagnosis has the one trip detection logic. When malfunction A is detected, DTC is not stored in ECM memory. And in that case, 1st trip DTC and 1st trip freeze frame data are displayed. DTC Confirmation Procedure INFOID:0000000001326333 CAUTION: Always drive vehicle at a safe speed. least 10 seconds before conducting the next test. PBIB1539E MONITOR ITEM CONDITION SPECIFICATION BRAKE SW1 • Ignition switch: ON • Brake pedal: Fully released ON • Brake pedal: Slightly depressed OFF BRAKE SW2 • Ignition switch: ON • Brake pedal: Fully released OFF • Brake pedal: Slightly depressed ON DTC No. Trouble Diagnosis Name DTC Detecting Condition Possible Cause P1572 ICC brake switch A) When the vehicle speed is above 30km/h (19 • Harness or connectors (Stop lamp switch circuit is shorted.) • Harness or connectors (ICC brake switch circuit is shorted.) • Stop lamp switch B) ICC brake switch signal is not sent to ECM |