P1510

DTC P1510: ECM Back-Up Power Circuit Low

Wiring Diagram:

Wiring Diagram

Circuit Description
Battery voltage is supplied to keep DTC memory, values that ECM has learned to control engine, etc. in ECM even when ignition switch is turned OFF.




DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure
1. Connect scan tool to DLC with ignition switch turned OFF.
2. Turn ON ignition switch and clear DTC, pending DTC and freeze frame data by using scan tool and run engine at idle speed for 1 min.
3. Check DTC by using scan tool.

Step 1 - 2:

DTC Troubleshooting