C1571

DTC C1541/41 Speed Sensor Malfunction

DTC C1542/42 Speed Sensor Malfunction

DTC C1571/71 Speed Sensor Malfunction (Test Mode DTC)

DESCRIPTION
The power steering ECU controls the assisting power in accordance with the vehicle speed signals from the combination meter.

HINT: These DTCs are only for vehicles without a skid control ECU (ABS ECU).
When the sensor is normal, a pulse signal (43 Hz at 37 mph [60 km/h]) that alternates between 0 V and 5 V is transmitted to the ECU.

WIRING DIAGRAM:

INSPECTION PROCEDURE

HINT: Confirm that DTC C1571/71 has been cleared by activating test mode after the repair is completed.

Steps 1-2: