P1510

DTC P1510: ECM Back-Up Power Supply Malfunction

Wiring Diagram

Wiring Diagram:

Circuit Description

Battery voltage is supplied so that DTC memory, values for engine control learned by ECM, etc. are kept in ECM even when the ignition switch is turned OFF.

DTC Detecting Condition and Trouble Area

DTC Detecting Condition And Trouble Area:

DTC Confirmation Procedure

1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool.
3. Run engine at idle speed for 1 min.
4. Check DTC.

DTC Troubleshooting

Step 1-2: