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.CHECK SELF-DIAGNOSTIC RESULTS
- On SELECT DIAG MODE, select the SELF-DIAG RESULT screen.
- Check display contents on SELF DIAG RESULT screen. Is the CAN COMM CIRCUIT displayed in the self-diagnosis display?
YES >> Refer to Diagnosis Procedure.
NO >> Inspection End.
Diagnosis Procedure
MALFUNCTION CODE NO. 52 (DTC C1729)
1.CHECK SELF-DIAGNOSTIC RESULTS
- On "SELECT DIAG MODE", select the "SELF-DIAG RESULT" screen.
- 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 See: Powertrain Management\Computers and Control Systems\Information Bus\Application and ID\CAN System Specification Chart.
NO >> Check combination meter. Refer to See: Instrument Panel, Gauges and Warning Indicators\Testing and Inspection\Scan Tool Testing and Procedures\CONSULT-III Function.
Special Repair Requirement
Perform preliminary check. Refer to See: Instrument Panel, Gauges and Warning Indicators\Tire Monitoring System\Testing and Inspection\Initial Inspection and Diagnostic Overview\Preliminary Check.
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