C1729

Description

The vehicle speed signal is not being detected by the BCM.


DTC Logic

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK SELF-DIAGNOSTIC RESULTS

1.On "SELECT DIAG MODE", select the "SELF-DIAG RESULT" screen.
2.Check display contents on "SELF DIAG RESULT" screen.
Is the "CAN COMM CIRCUIT" displayed in the self-diagnosis display?
YES- .
NO- Inspection End.


Diagnosis Procedure

NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
- Activate and display TPMS transmitter IDs
- Display tire pressure reported by the TPMS transmitter
- Read TPMS DTCs
- Register TPMS transmitter IDs

1. CHECK SELF-DIAGNOSTIC RESULTS

1.On "SELECT DIAG MODE", select the "SELF-DIAG RESULT" screen.
2.Check display contents on "SELF DIAG RESULT" screen.
Is the "CAN COMM CIRCUIT" displayed in the self-diagnosis display?
YES- Perform trouble diagnosis for CAN communication system. Trouble Diagnosis Flow Chart.
NO- Check combination meter. CONSULT Function (Meter/M&A).


Special Repair Requirement

Perform preliminary check. Preliminary Check.