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DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR) AT-113 D E F G H I J K L M A B AT DTC P0720 VEHICLE SPEED SENSOR A/T (REVOLUTION SENSOR) PFP:32702 Description NCS000VD The revolution sensor detects the revolution of the idler gear parking pawl lock gear and emits a pulse signal. CONSULT-II Reference Value NCS000VE On Board Diagnosis Logic NCS000VF ● This is an OBD-II self-diagnostic item. ● Diagnostic trouble code “P0720 VEH SPD SEN/CIR AT” with CONSULT-II or 1st judgement flicker without – When TCM does not receive the proper voltage signal from the sensor. – After ignition switch is turned ON, irregular signal input from vehicle speed sensor MTR before the vehicle Possible Cause NCS000VG ● Harness or connectors ● Revolution sensor ● Vehicle speed sensor MTR DTC Confirmation Procedure NCS000VH CAUTION: ● Always drive vehicle at a safe speed. ● Be careful not to rev engine into the red zone on the tachometer. NOTE: WITH CONSULT-II 1. Turn ignition switch ON. (Do not start engine.) 2. Select “ECU INPUT SIGNALS” in “DATA MONITOR” mode for 3. Touch “START”. 4. Drive vehicle and check for an increase of “VHCL/S SE-A/T” AT-116, "Diagnostic Procedure" . If the check result is OK, go to following step. 5. Select “SELECTION FROM MENU” in “DATA MONITOR” mode 6. Start engine and maintain the following conditions for at least 5 consecutive seconds. AT-116, "Diagnostic Procedure" . If the check result is OK, go to following step. 7. Maintain the following conditions for at least 5 consecutive seconds. Item name Condition Display value VHCL/S SE-A/T During driving Approximately matches the speedometer reading. BCIA0031E |