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STC-110 < COMPONENT DIAGNOSIS > [WITH 4WAS] C1919 VEHICLE SPEED SIGNAL C1919 VEHICLE SPEED SIGNAL Description INFOID:0000000000958864 • The vehicle speed signal is transmitted from ABS actuator and electric unit (control unit) to 4WAS main con- trol unit via CAN communication. DTC Logic INFOID:0000000000958865 DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1. RECHECK DTC With CONSULT-III 1. Turn the ignition switch OFF to ON. 2. Perform 4WAS main control unit self-diagnosis. Is DTC “C1919” detected? YES >> Proceed to diagnosis procedure. Refer to STC-110, "Diagnosis Procedure" . NO >> INSPECTION END Diagnosis Procedure INFOID:0000000000958866 1. PERFORM ABS AUTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS With CONSULT-III Perform ABS actuator and electrical unit (control unit) self-diagnosis. Is any error system detected? YES >> Check the error system. NO >> GO TO 2. 2. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT) With CONSULT-III Perform 4WAS main control unit self-diagnosis. YES >> Check the error system. NO >> GO TO 3. 3. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT) With CONSULT-III Perform 4WAS main control unit self-diagnosis. Is DTC “C1919” detected? YES >> Replace 4WAS main control unit. Refer to NO >> GO TO 4. 4. INFORMATION CHECK With CONSULT-III Check the “DATA MONITOR” value of each DTC detected with the self-diagnosis function. Refer to . Is each data the standard value? DTC Items (CONSULT-III screen terms) Diagnostic item is detected when... Possible cause C1919 VEHICLE SPEED SEN Malfunction is detected in vehicle speed signal that is Vehicle speed signal error |