Code No.B1860: e-Call
Battery Connection
| caution |
When replacing the ECU, always
check that the communication circuit is normal.
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DIAGNOSTIC FUNCTION
When the system determines that the
e-Call battery is disconnected, the e-Call control
unit sets diagnosis code No. B1860.
| note |
When diagnosis code No. B1860 is set, the
e-Call switch flashes in green.
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PROBABLE CAUSES
- The e-Call battery improperly connected
- Malfunction of e-Call battery
- Malfunction of e-Call control unit
DIAGNOSIS PROCEDURE
STEP 1. Check e-Call battery
connector
Refer to 
.
Q.
Is the check result normal?
Go to Step 2
Repair the connector or replace
the e-Call battery (Refer to ).
Then M.U.T.-III special function - Reset (Refer to ).
STEP 2. Check e-Call battery
Connect a
voltmeter between the e-Call battery connector terminals, and check
whether
a needle of analog tester fluctuates.
Q.
Is the check result normal?
Go to Step 3
Replace the e-Call battery
(Refer to ). Then M.U.T.-III
special function - Reset (Refer to ).
STEP 3. 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 ).
Intermittent malfunction is
suspected (Refer to GROUP 00 - How to Use
Troubleshooting/Inspection
Service Points - How to Cope with Intermittent
Malfunction).