C1729

Description

BCM detects no vehicle speed signal.


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. DTC REPRODUCTION PROCEDURE

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


Diagnosis Procedure


1. PERFORM UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS

With CONSULT
Perform "SELF-DIAG RESULTS" of "METER/M&A".
Is any DTC detected?
YES- Check the DTC. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 2.

2. CHECK INFORMATION

With CONSULT
1.Perform "DATA MONITOR" in "AIR PRESSURE MONITOR" of "BCM".
2.Select "BCM" in "DATA MONITOR", and check the input/output values. Refer to "Reference Value" 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 BCM. Refer to "Exploded View" Exploded View.