C1729

Description

Uses CAN communications from the ABS actuator and electric unit (control unit) to receive the vehicle speed signal, and activates the Tire Pressure Monitoring System (TPMS) when the vehicle speed is 40 km/h (25MPH) or more.


DTC Logic


DTC logic







DTC REPRODUCTION PROCEDURE


1. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Drive for several minutes at a speed of 40 km/h (25MPH) or more, then stop the vehicle.
2.Perform "AIR PRESSURE MONITOR self-diagnosis".
Is DTC "C1729" detected?
YES- Perform trouble diagnosis. .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT
Perform "ABS" self-diagnosis.
Is DTC detected?
YES- Check malfunctioning circuit.
NO- GO TO 2.

2. PERFORM THE SELF-DIAGNOSIS

With CONSULT
Perform "AIR PRESSURE MONITOR" self-diagnosis.
Is DTC "C1729" detected?
YES- Replace the low tire pressure warning control unit.
NO- GO TO 3.

3. CHECK INFORMATION

With CONSULT
Select "DATA MONITOR" of "AIR PRESSURE MONITOR" and check the input/output 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.