DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects one of the following:
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B15CC |
Back-up battery malfunction. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK FOR DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Perform "Health Check" and check for current DTCs (See page
).
Result |
Proceed to |
---|---|
DTC B15CC is output |
A |
DTC B15CC is not output |
B |
B | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
|
2. |
CHECK HARNESS AND CONNECTOR (DCM - BUB) |
(a) Disconnect the F39 DCM (Telematics Transceiver) connector. |
|
(b) Disconnect the F40 BUB (Back-Up Battery) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F39-30 (BBI+) - F40-1 (BBO+) |
Always |
Below 1 Ω |
F39-13 (BBI-) - F40-5 (BBO-) |
Always |
Below 1 Ω |
F39-20 (CTR1) - F40-3 (BTR1) |
Always |
Below 1 Ω |
F39-21 (CTR2) - F40-4 (BTR2) |
Always |
Below 1 Ω |
F39-30 (BBI+) - Body ground |
Always |
10 kΩ or higher |
F39-13 (BBI-) - Body ground |
Always |
10 kΩ or higher |
F39-20 (CTR1) - Body ground |
Always |
10 kΩ or higher |
F39-21 (CTR2) - Body ground |
Always |
10 kΩ or higher |
*a |
Front view of wire harness connector (to DCM [Telematics Transceiver]) |
*b |
Front view of wire harness connector (to BUB [Back-Up Battery]) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
REPLACE BUB (BACK-UP BATTERY) |
(a) Replace the BUB (Back-Up Battery) with a normal one and check that the same
problem does not occur again (See page ).
NOTICE:
The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress
(See page ).
|
4. |
CLEAR DTC |
(a) Clear the DTC (See page ).
|
5. |
CHECK FOR DTC |
(a) Check for DTCs and check that the same trouble does not occur again (See
page ).
OK:
DTC B15CC is not output.
OK | ![]() |
END |
|
6. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
NEXT | ![]() |
PERFORM DCM ACTIVATION |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
NOTICE:
Turn the ignition switch off before removing parts.
HINT:
If no abnormality is found when inspecting parts, inspect the stabilizer
control ECU and ground points for poor contact.
If a trouble code is ou ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC (CHECK USING TECHSTREAM)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Chec ...