DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | ||
|---|---|---|---|---|
| B1341–16 |
Head unit (AV control unit) |
[VB–LOW] | Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1341–17 | [VB–HIGH] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1341–49 | [—] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1341–55 | [CONFIG] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
| B1341–98 | [TEMP] | Diagnosis condition | When ignition switch is ON. | |
| Signal (terminal) | – | |||
| Threshold | – | |||
| Diagnosis delay time | 30 seconds or more | |||
POSSIBLE CAUSE
Charging system malfunction
AV control unit configuration
AV control unit
FAIL-SAFE
Failure type byte 16: battery protection shuts AV control unit down 60 seconds after low voltage condition
Failure type byte 17:
AV control unit display inoperative
Audio output is inoperative
Failure type byte 49: AV control unit internal failure
Failure type byte 55: AV control unit configuration error
Failure type byte 98: AV control unit shuts down after 5 seconds
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 B1341 detected?
YES>>Proceed to DTC Diagnosis Procedure.
NO>>To check malfunction symptom before repair: Refer to Intermittent Incident.
NO>>Confirmation after repair: Inspection End.
DETERMINE MALFUNCTION TYPE
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 B1341–16, 17, 49, 55 or 98 detected?
YES>>16 [VB–LOW], or 17 [VB–HIGH] – GO TO 2.
YES>>49 [—] – GO TO 4.
YES>>55 [CONFIG] – GO TO 3.
YES>>98 [TEMP] – GO TO 5.
NO>>Refer to Intermittent Incident.
CHECK BATTERY VOLTAGE
Check 12 volt battery voltage.
Is 12 volt battery voltage less than 8.8V?
YES>>Charge battery and retest. Refer to Work Flow (With 165-DSS-5000P), or (Without 165-DSS-5000P).
NO>>Replace AV control unit. Refer to Removal and Installation.
PERFORM CONFIGURATION PROCEDURE
Perform configuration of AV control unit. Refer to Work Procedure.
>>
GO TO 4.
PERFORM DTC CONFIRMATION PROCEDURE AGAIN
CONSULT
Ignition switch ON.
Erase DTC.
Perform DTC confirmation procedure again. Refer to DTC Confirmation Procedure.
Is DTC B1341–49 or B1341–55 detected again?
YES>>Replace AV control unit. Refer to Removal and Installation.
NO>>Inspection End.
CHECK AV CONTROL UNIT
Visually check around AV control unit for a cause of high temperature.
Is the inspection result normal?
YES>>GO TO 6.
NO>>Remove cause of high temperature.
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 B1341–98 detected?
YES>>Replace AV control unit. Refer to Removal and Installation.
NO>>Inspection End.
B133a Avm Connection
B1346 Gps Antenna Connection