Code No.B1861: e-Call
Battery
| caution |
When replacing the ECU, always
check that the communication circuit is normal.
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DIAGNOSTIC FUNCTION
When the system determines a voltage drop in the e-Call battery, the e-Call control unit
sets diagnosis code No. B1861.
| note |
When diagnosis code No. B1861 is set, the e-Call switch flashes in green.
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PROBABLE CAUSES
- Malfunction of e-Call battery
- Malfunction of e-Call control unit
DIAGNOSIS PROCEDURE
STEP 1. Check the M.U.T.-III Diagnosis code for other
Check if diagnosis code No.B1860 is set in the e-Call control unit.
Q.
Is the diagnosis code set?
Trouble shooting diagnosis code No.B1860 (Refer to 
).
Go to Step 2.
STEP 2. Replace the e-Call battery, and check whether the diagnosis
code is set again.
Check again if the diagnosis code is set in the e-Call control unit.
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(1)Erase the diagnosis code.
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(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
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(3)Check if diagnosis code is set.
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Q.
Is the diagnosis code set?
Replace the e-Call control unit (Refer to ).
The procedure is complete.