P0ACD

DTC P0ACD (54): Battery Module Temperature Sensor 3 Circuit High Voltage
1. Turn the ignition switch ON (II).
2. Check the BATT. MDLS TEMP S3 in the DATA LIST with the HDS.
Is about 4.95 V or more indicated?
YES - Go to step 3.
NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the battery module and the MCM

3. Check for Temporary DTCs or DTCs with the HDS.
Are DTC P0A5E, P0AC8, and P0ACD indicated at the same time?
YES - Go to step 14.
NO - Go to step 4.

4. Turn the ignition switch OFF.
5. Turn the battery module switch OFF.
6. Remove the IPU lid.
7. Disconnect the battery module 6P connector.
8. Connect battery module 6P connector terminal No. 3 to body ground with a jumper wire.





9. Turn the ignition switch ON (II).
10. Check the BATT. MDLS TEMP S3 in the DATA LIST with the HDS.
Is about 4.95 V or more indicated?
YES - Go to step 11.
NO - Replace the battery module, then go to step 24.

11. Turn the ignition switch OFF.
12. Disconnect MCM connector B (24P).
13. Check for continuity between MCM connector terminal B9 and battery module 6P connector terminal No. 3.





Is there continuity?
YES - Go to step 30.
NO - Repair open in the wire between the battery module and the MCM (B9), then go to step 24.

14. Turn the ignition switch OFF.
15. Turn the battery module switch OFF.
16. Remove the IPU lid.
17. Connect battery module 6P connector terminal No. 4 to body ground with a jumper wire.





18. Turn the ignition switch ON (II).
19. Check the BATT. MDLS TEMP S1, BATT. MDLS TEMP S2, and BATT. MDLS TEMP S3 in the DATA LIST with the HDS.
Are about 4.95 V or more indicated?
YES - Replace the battery module, then go to step 24.
NO - Go to step 20.

20. Turn the ignition switch OFF.
21. Disconnect the battery module 6P connector.
22. Disconnect MCM connector A (31P).
23. Check for continuity between MCM connector terminal A31 and battery module 6P connector terminal No. 4.





Is there continuity?
YES - Go to step 29.
NO - Repair open in the wire between the battery module and the MCM (A31), then go to step 24.

24. Turn the ignition switch OFF.
25. Reconnect all connectors.
26. Reinstall the IPU lid, then turn the battery module switch ON.
27. Turn the ignition switch ON (II).
28. Reset the MCM.
29. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0ACD is indicated, check for poor connections or loose terminals at the battery module 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.

30. Reinstall the IPU lid, then turn the battery module switch ON.
31. Update the MCM if it does not have the latest software, or substitute a known-good MCM.
32. Check for Temporary DTCs or DTCs with the HDS.
Are any Temporary DTCs or DTCs indicated?
YES - If DTC P0ACD is indicated, check for poor connections or loose terminals at the battery module 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.