C1729
C1729 VEHICLE SPEED SIGNAL
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. .
NO- INSPECTION END
Diagnosis Procedure
1. PERFORM COMBINATION METER SELF-DIAGNOSIS
With CONSULT
Perform "SELF-DIAG RESULTS" of "METER/M&A".
Is any DTC detected?
YES- Check the DTC. Testing and Inspection.
NO- GO TO 2.
2. PERFORM SELF-DIAGNOSIS
With CONSULT
Perform "SELF-DIAG RESULTS" in "AIR PRESSURE MONITOR" of "BCM".
Is DTC "C1729" detected?
YES- Replace BCM. Common Item.
NO- GO TO 3.
3. 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. 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. Exploded View.
Special Repair Requirement
1. CHECK TIRE PRESSURE
Check all tires for tire pressures. [1][2]Specifications.
Does all tire pressure data meet the specification?
YES- GO TO 2.
NO- Inspect or repair the tires or wheels and adjust the tire pressure to the specification.
2. PERFORM ID REGISTRATION
Perform ID registration. Work Procedure.
- END