Toyota Corolla Cross: Backup Battery Internal Electronic Failure (B15CC49)
DESCRIPTION
This DTC is stored when the DCM (telematics transceiver) detects one of the following:
- The mobilephone battery voltage drops or the mobilephone battery malfunctions.
- The mobilephone battery temperature is (temporarily) high.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15CC49 |
Backup Battery Internal Electronic Failure |
Mobilephone battery malfunction |
|
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.
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PROCEDURE
|
1. |
CHECK DTC |
(a) Turn the ignition switch to ON and wait for 10 seconds or more.
(b) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(c) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble Codes| OK | .gif)
|
USE SIMULATION METHOD TO CHECK |
|
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|
2. |
CHECK MOBILEPHONE BATTERY |
(a) Replace the mobilephone battery with a normal one and check if the same problem occurs again.
NOTICE:
- The mobilephone battery must not be replaced while an ACN call is in
progress.
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- After replacing the mobilephone battery, perform initialization.
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(b) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(c) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble CodesOK:
No DTCs are output.
| OK |
|
PERFORM INITIALIZATION |
|
|
3. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
- The ignition switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
|
PERFORM DCM ACTIVATION |
READ NEXT:
Green Indicator Remains Off
DESCRIPTION
After turning the ignition switch to ON, the DCM (telematics
transceiver) will enter into self check mode. The manual (SOS) switch red indicator
will illuminate for 2 seconds and turn
Red Indicator Remains On
DESCRIPTION
This means that the DCM (telematics transceiver) has detected
a malfunction in the safety connect system and stored a DTC or specific vehicle
control history (RoB) Code.
CAUTION / NO
Unable To Connect To Call Center
DESCRIPTION
This may occur when the intensity of telephone radio frequency
was very weak, or the safety connect system has a malfunction and a DTC is stored.
CAUTION / NOTICE / HINT
NOTICE:
Depe
SEE MORE:
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY)
Procedure Part Name Code
1 NO. 1 MOULDING TAPE
75895A -
- -
2 FRONT PILLAR COVER PROTECTOR
61992 -
- -
*1 FRONT PILLAR UPPER COVER
- -
● Non-r
Installation
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 AIR FUEL RATIO SENSOR
89467B
- -
2 WIRE HARNESS CLAMP BRACKET
- -
- -
3 REMOVE DASH PANEL HEAT INSURATOR
5
