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 |
Operation Check
OPERATION CHECK
1. CHECK AUTOMATIC RUNNING BOARD OPERATION
(a) When side auto step switch assembly is "AUTO", the operation and condition
of this control are described below.
Check that the driver side automatic running board operates as follows ...
Reassembly
REASSEMBLY
PROCEDURE
1. ASSEMBLE DIFFERENTIAL CASE
(a) Install the rear differential side gear thrust washer to the rear differential
side gear.
(b) Install the rear differential pinion thrust washer and rear differential
pinion to the rear different ...