P1585

DTC P1585 (30): Motor Current Sensor Circuit Malfunction
1. Turn the ignition switch ON (II).
2. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0A5E, P0A5F, P0A61, P0A62, P0A64, or P0A65 indicated?
YES - Go to the indicated DTC's troubleshooting.
NO - Go to step 3.

3. Turn the ignition switch ON (II).
4. Reset the MCM.
5. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1585 indicated?
YES - Go to step 8.
NO - Go to step 6.

6. Start the engine.
7. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P1585 indicated?
YES - Replace the U/V/W phase motor current sensors, then go to step 9.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the U/V/W phase motor current sensor and the MCM.

8. Check the values of the U phase motor current sensor, V phase motor current sensor, and W phase motor current sensor with the HDS, then total the values together.
Is the total of the sensor values between + 60 and - 60A?
YES - Go to step 14.
NO - Replace the U/V/W phase motor current sensors, then go to step 9.

9. Turn the ignition switch OFF.
10. Reconnect all connectors.
11. Turn the ignition switch ON (II).
12. Reset the MCM.
13. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P1585 is indicated, check for poor connections or loose terminals at the U/V/W phase motor current sensor and the MCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - Troubleshooting is complete.

14. Update the MCM if it does not have the latest software, or substitute a known-good MCM.
15. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P1585 is indicated, check for poor connections or loose terminals at the U/V/W phase motor current sensor and the MCM, then go to step 1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
NO - If the MCM was updated, troubleshooting is complete. If the MCM was substituted, replace the original MCM.