DTC 52

Vehicle Speed Signal

MALFUNCTION CODE NO. 52 (DTC C1729)
1. SELF-DIAGNOSTIC RESULT CHECK
Using CONSULT-III, check display contents in self-diagnostic results.
Is " CAN COMM CIRCUIT" displayed in the self-diagnosis display items?
YES >> Malfunction in CAN communication system. GO TO LAN-23, "TROUBLE DIAGNOSIS". Testing and Inspection
NO >> GO TO 2.

2. CHECK BCM
Perform BCM diagnosis. Refer to BCS-18, "CONSULT-III Function (BCM)". Testing and Inspection
Inspection results OK?
YES >> Perform Vehicle Speed Sensor Inspection. Refer to CVT-85, "Diagnostic Procedure". P0720
NO >> Replace BCM.