C1729

C1729 VEHICLE SPEED SIGNAL

Description
BCM detects no vehicle speed signal.

DTC Logic

C1729:

DTC CONFIRMATION PROCEDURE

1. DTC REPRODUCTION PROCEDURE

With CONSULT-III
1. Drive at a speed of 40 km/h (25 MPH) or more for several minutes without stopping.
2. Perform BCM self-diagnosis.
Is DTC "C1729" detected?
YES >> Proceed to diagnosis procedure. Refer to "Diagnosis Procedure".
NO >> INSPECTION END

Diagnosis Procedure

1. CHECK 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.
NO >> Check unified meter and A/C amp. HAC-104, "Diagnosis Procedure". Power Supply and Ground Circuit For Auto Amp.

Special Repair Requirement

1. CHECK TIRE AIR PRESSURE
Check all tire air pressures. Refer to WT-104, "Tire Air Pressure". [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 WT-6, "ID REGISTRATION PROCEDURE: Special Repair Requirement". Transmitter ID Registration Procedure
>> END