DTC Troubleshooting

DTC Troubleshooting: P1586 (23)

DTC P1586 (23):

Battery Current Sensor Signal Malfunction

NOTE:

- Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.
- If the DTC cannot be cleared, do the troubleshooting for DTC U1204 (55).

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Check the SOC in the DATA LIST with the HDS.

Is there 25 % or more?

YES -

Go to step 4.

NO -

Start the engine, and hold it between 3,500 and 4,000 rpm without load (in P or N) until the SOC increase to 25 %. Then go to step 5.

4. Start the engine.

5. Check under these conditions:

- Blower fan at maximum speed
- Rear window defogger on
- Headlights on high beam

6. Let the engine idle for 1 minute.

7. Monitor the OBD STATUS for DTC P0A3F (89), P0A5E (24), P0A5F (25), P0A61 (26), P0A62 (27), P0A64 (28), P0A65 (29), P0A78 (32), P0AC0 (65), P0AC1 (115), P0AC2 (114), P0B0F (113), P0B10 (117), P0B11 (116), P0BE6 (86), P0BEA (87), P0BEE (88), P0BFD (30), P1440 (57), P15A5 (85), and P15AA (93) in the DTCs MENU with the HDS.

Does the screen indicate PASSED?

YES -

Go to step 8.

NO -

- If the screen indicates FAILED: Go to the indicated DTC's troubleshooting.�
- If the screen indicates NOT COMPLETED: Keep the ignition switch ON (II) until a result comes on.

8. Monitor the OBD STATUS for DTC P1586 (23) in the DTCs MENU with the HDS.

Does the screen indicate FAILED?

YES -

Check for poor connections or loose terminals at the battery current sensor and the MCM. If the connections and the terminals are OK, replace the battery module Service and Repair, then go to step 9.

NO -

If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the battery current sensor and the MCM. If the screen indicates NOT COMPLETED, go to step 3.

9. Turn the ignition switch to ON (II).

10. Clear the DTC with the HDS.

11. Check the SOC in the DATA LIST with the HDS.

Is there 25 % or more?

YES -

Start the engine, let it idle 2 seconds, then go to step 12.

NO -

Start the engine, and hold it between 3,500 and 4,000 rpm without load (in P or N) until the SOC increases to 25 %. Let it idle 2 seconds, then go to step 12.

12. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P1586 (23) indicated?

YES -

Check for poor connections or loose terminals at the battery current sensor and the MCM, then go to step 1.

NO -

Go to step 13.

13. Monitor the OBD STATUS for DTC P1586 (30) in the DTCs MENU with the HDS.

Does the screen indicate PASSED?

YES -

Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 12, go to the indicated DTC's troubleshooting.�

NO -

If the screen indicates FAILED, check for poor connections or loose terminals at the battery current sensor and the MCM, then go to step 1. If the screen indicates NOT COMPLETED, go to step 11.