C1729

C1729 VEHICLE SPEED SIGNAL





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Drive for 3 minutes at a speed of 40 km/h (25MPH) or more without stopping.
2. Stop the vehicle.
3. Perform self-diagnosis for "AIR PRESSURE MONITOR".
Is DTC "C1729" detected?
YES - Proceed to SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for "ABS".
Is any DTC detected?
YES - Check malfunctioning circuit.
NO - GO TO 2.
2.PERFORM SELF-DIAGNOSIS AGAIN
With CONSULT-III
Perform "DTC CONFIRMATION PROCEDURE" (self-diagnosis) again. SEE DTC Logic.
Is DTC "C1729" detected?
YES - Replace the low tire pressure warning control unit. Removal And Installation.
NO - GO TO 3.
3.CHECK LOW TIRE PRESSURE WARNING CONTROL UNIT INPUT/OUTPUT SIGNAL
Check the low tire pressure warning control unit input/output signal values. Pinout Values and Diagnostic Parameters.
Is the inspection result normal?
YES - Check pin terminal and connection of each harness connector for malfunctioning conditions.
NO - Replace the low tire pressure warning control unit. Removal And Installation.