DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| U1300–01 |
AV communication circuit (AV communication circuit) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | — | ||
| Threshold | — | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
AV communication circuit
Audio unit
Combination meter
FAIL-SAFE
AV communication is inoperative
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Ignition switch OFF and wait at least 30 seconds.
Ignition switch ON and wait at least 30 seconds or more.
Select “Self Diagnostic Result” mode of “MULTI AV”.
Check DTC.
Is DTC U1300 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 SELF DIAGNOSTIC RESULT
Check if any DTC other than “U1300” is detected in “Self diagnostic result” of “MULTI AV”.
Is any DTC detected?
YES>>Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to DTC Index.
NO>>Replace audio unit. Refer to Removal and Installation.
U1000 Can Comm Circuit
Power Supply and Ground Circuit. Audio UnitUnfastening the seat belts

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