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 BCM (AIR PRESSURE MONITOR) self-diagnosis.
Is DTC "C1729" detected?
YES - Perform trouble diagnosis. Refer to C1729.
NO - INSPECTION END
Diagnosis Procedure
1.PERFORM UNIFIED METER AND A/C AMP. SELF-DIAGNOSIS
With CONSULT-III
Perform unified meter and A/C amp. self-diagnosis.
Is any DTC detected?
YES - Check the DTC. Refer to Testing and Inspection.
NO - GO TO 2.
2.PERFORM SELF-DIAGNOSIS
With CONSULT-III
Perform BCM (AIR PRESSURE MONITOR) self-diagnosis.
Is DTC "C1729" detected?
YES - Replace BCM. Refer to Common Item, "COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)".
NO - GO TO 3.
3.CHECK INFORMATION
With CONSULT-III
Use CONSULT-III "DATA MONITOR" to check the input/output values. Refer to 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.
Special Repair Requirement
1.CHECK TIRE PRESSURE
Check all tires for tire pressures. Refer to [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. Refer to Special Repair Requirement.
- END