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CCS C1A03 VEHICLE SPEED SENSOR CCS-87 < DTC/CIRCUIT DIAGNOSIS > [ICC] C D E F G H I J K L M B N P A C1A03 VEHICLE SPEED SENSOR DTC Logic INFOID:0000000006224308 DTC DETECTION LOGIC NOTE: CCS-145, "ADAS CONTROL UNIT : DTC Logic" • Refer to for DTC “C1A04”. DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Start the engine. 2. Turn the MAIN switch of ICC system ON. 3. Drive the vehicle at 30 km/h (19 MPH) or more. CAUTION: Always drive safely. 4. Stop the vehicle. 5. Perform “All DTC Reading” with CONSULT-III. 6. Check if the “C1A03” is detected as the current malfunction in “Self Diagnostic Result” of “ICC/ADAS”. Is “C1A03” detected as the current malfunction? YES >> Refer to NO >> Refer to GI-40, "Intermittent Incident" . Diagnosis Procedure INFOID:0000000006224309 1. CHECK SELF-DIAGNOSIS RESULTS Check if “C1A04” or “U1000” is detected other than “C1A03” in “Self Diagnostic Result” of “ICC/ADAS”. Is any DTC detected? YES >> Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to NO >> GO TO 2. 2. CHECK DATA MONITOR 1. Start the engine. 2. Drive the vehicle. 3. Check that the value of “VHCL SPD AT” is almost the same as the value of “VHCL SPEED SE” in “DATA CAUTION: Be careful of the vehicle speed. Is the inspection result normal? YES >> Replace the ADAS control unit. Refer to DAS-63, "Removal and Installation" NO >> GO TO 3. 3. CHECK TCM SELF-DIAGNOSIS RESULTS 1. Perform “All DTC Reading”. 2. Check if any DTC is detected in “Self Diagnostic Result” of “TRANSMISSION”. DTC (On board display) Trouble diagnosis name DTC detecting condition Possible causes C1A03 (3) VHCL SPEED SE If the vehicle speed signal (wheel speed) from • Wheel speed sensor unit) • Vehicle speed sensor A/T (output speed sensor) • TCM |