Conditions for Running the DTC

P0685, P0686, and P0687

• The battery voltage is between 10-18 volts.
• The ignition is OFF.
• The PT relay has been commanded ON and OFF.
• The DTCs run continuously once the above condition is met.

P0689 and P0690

• The ignition is ON.
• The PT relay has been commanded ON.
• The DTCs runs continuously once the above condition is met.