DTC Description
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms(Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| U102C-87 | M-CAN communication system[MISSING MESSAGE] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | AV communication signal | ||
| Threshold | AV communication signal is missing | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
- AV communication circuit
- AV control unit
- Bose speaker amp.
- Integral switch
- Head up display unit
- Combination meter
FAIL-SAFE
The system of ECU which detected abnormalities does not operate.
DTC CONFIRMATION PROCEDURE
- CHECK DTC PRIORITY
- If U102C-87 is displayed with any other DTCs first perform the confirmation procedure (trouble diagnosis) for the other DTCs.
Is other DTC detected?
YES>>
Perform diagnosis of other DTC.
NO>>
GO TO 2.
- 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".
Is DTC detected?
YES>>
Proceed to Diagnosis Procedure .
NO>>
To check malfunction symptom before repair: Refer to Intermittent Incident .
NO>>
Confirmation after repair: Inspection End.