Electronic Power Steering System

DIAGNOSTIC TROUBLE CODE CHART

C1521 - Always ON:

C1572:

HINT:
- Using SST 09843 - 18040, connect terminals Tc and CG of the DLC3.
- If a malfunction code is displayed during the DTC check, check the circuit listed for the code. For details of each code, turn to the respective troubleshooting referred for respective "DTC No." in the DTC chart.

HINT: There is a case that TOYOTA hand-held tester cannot be used when P/S warning light is always on.