FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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-III
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. C1729.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS
With CONSULT-III
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-III
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-III
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 AIR PRESSURE
Check all tire air pressures. 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. Special Repair Requirement.
- END