DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.
When this DTC is set, the BUB (Back-Up Battery) must be replaced.
BUB (Back-Up Battery) degradation DTC B15EC is not reported in deactive mode.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B15EC |
Backup Battery Degradation |
BUB (Back-Up Battery) is used up. |
BUB (Back-Up Battery) |
CAUTION / NOTICE / HINT
NOTICE:
Click here
HINT:
Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct.
Click here
PROCEDURE
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(f) Recheck for DTCs.
Body Electrical > Telematics > Trouble Codes
Result |
Proceed to |
---|---|
DTC B15EC is output |
A |
DTC B15EC is not output |
B |
A | ![]() |
REPLACE BUB (BACK-UP BATTERY) |
B | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Terminals Of Ecu
TERMINALS OF ECU
AIR CONDITIONING AMPLIFIER ASSEMBLY
HINT:
Check from the rear of the connector while it is connected to the air conditioning
amplifier assembly.
Terminal No. (symbol)
Wiring Color
Terminal Description
Condition
Specified ...
Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Freeze Frame Data
FREEZE FRAME DATA
CHECK FREEZE FRAME DATA
(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.
Body Electrical > Navigation System > Trouble Codes
(e) ...