C1729

C1729 Vehicle Speed Signal

Description

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

DTC Logic

DTC Detection Logic






DTC Confirmation Procedure

1. PERFORM DTC CHECK

1 On SELECT DIAG MODE, select "DTC check" screen.
2 Check display contents on "DTC check" screen.

Is the CAN COMM CIRCUIT displayed in "DTC check" display?
YES
Refer to "Diagnosis Procedure".
NO
Inspection end.

Diagnosis Procedure

Malfunction Code No. 52 (DTC C1729)

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. Refer to [LAN System: Basic Inspection].
NO
Check combination meter. Refer to [SDT Function (METER/M&A)].

Special Repair Requirement

Refer to "Special Repair Requirement" in [C1708 - C1711 Data from Transmitter Not Being Received] C1708.