DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B1310 |
TCU TEMPERATURE ERROR (TCU temperature error) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | TCU internal temperature is high | ||
| Diagnosis delay time | 1 second or more | ||
POSSIBLE CAUSE
TCU internal temperature is high
TCU
FAIL-SAFE
Telematics system function stops
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Erase DTC.
Select “Self Diagnostic Result” mode of “TELEMATICS”.
Check DTC.
Is DTC B1310 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
CHECK AROUND TCU
Check whether there is any factor which causes a temperature rise near TCU.
Was there any factor?
YES>>Remove the factor.
NO>>GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
Perform DTC confirmation procedure again. Refer to DTC Description.
Is DTC B1310 detected again?
YES>>Replace TCU. Refer to Removal and Installation.
NO>>Inspection End.
B130d Tel Line Out Error
B13d9 Usb ConnectionUnfastening the seat belts

To unfasten the seat belt, press the button
on the buckle
. The seat belt
automatically
retracts.