|
|
Content .. 1456 1457 1458 1459 ..
TM-176 < COMPONENT DIAGNOSIS > [CVT: RE0F09B] P1722 ESTM VEHICLE SPEED SIGNAL P1722 ESTM VEHICLE SPEED SIGNAL Description INFOID:0000000004201746 The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to TCM by CAN com- munication line. DTC Logic INFOID:0000000004201747 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE CAUTION: Always drive vehicle at a safe speed. NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF. Then wait at least 10 seconds before performing the next test. 1. CHECK DTC DETECTION With CONSULT-III 1. Turn ignition switch ON. 2. Select “DATA MONITOR”. 3. Start engine and maintain the following conditions for at least 5 consecutive seconds. Is “P1722 ESTM VEH SPD SIG” detected? YES >> Go to NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident" . Diagnosis Procedure INFOID:0000000004201748 1. CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) With CONSULT-III Perform “SELF-DIAG RESULTS” mode for “ABS”. YES >> GO TO 2. NO >> Check DTC detected item. Refer to (TCS/ABS), (VDC/TCS/ABS). 2. CHECK DTC WITH TCM With CONSULT-III Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”. YES NO >> GO TO 3. 3. DETECT MALFUNCTIONING ITEMS Check TCM connector pin terminals for damage or loose connection with harness connector. DTC Item (CONSULT-III screen term) Malfunction is detected when... Possible cause P1722 ESTM VEH SPD SIG • CAN communication with the ABS actua- tor and the electric unit (control unit) is • There is a great difference between the vehicle speed signal from the ABS actua- • Harness or connectors (Sensor circuit is open or shorted.) • ABS actuator and electric unit (control unit) ACC PEDAL OPEN : 1.0/8 or less VEHICLE SPEED : 30 km/h (19 MPH) or more |