DTC: 29:Er01, 29:Er09 [AUDIO]


id0902f6452500

Note
•  "iPod" is a registered trademark of Apple Inc. in the United States and other countries.

Description

Poor connection with auxiliary jack/USB port, or read error

Detection condition
•  When USB device/iPod connected, connection error detected
•  When USB device/iPod connected, audio unit internal malfunction detected
•  When USB device connected, read error detected
Fail-safe function
Possible cause
•  USB device/iPod malfunction
•  All files in USB device/iPod are not playable (including copyright protected files)
•  No playable file in USB device/iPod
•  Incompatible USB device (format) used
•  Audio unit connector or terminal malfunction
•  Auxiliary jack/USB port connector or terminal malfunction
•  Open circuit in wiring harness between the following terminals:
―  Audio unit terminal 3A and short cord No.1 terminal UA
―  Audio unit terminal 3B and short cord No.1 terminal UB
―  Audio unit terminal 3C and short cord No.1 port terminal UD
―  Audio unit terminal 3D and short cord No.1 port terminal UC
―  Short cord No.2 UA and auxiliary jack/USB port terminal UD
―  Short cord No.2 UB and auxiliary jack/USB port terminal UC
―  Short cord No.2 UC and auxiliary jack/USB port terminal UB
―  Short cord No.2 UD and auxiliary jack/USB port terminal UA
•  Short to ground in wiring harness between the following terminals:
―  Audio unit terminal 3A and short cord No.1 terminal UA
―  Audio unit terminal 3B and short cord No.1 terminal UB
―  Audio unit terminal 3C and short cord No.1 port terminal UD
―  Audio unit terminal 3D and short cord No.1 port terminal UC
―  Short cord No.2 UA and auxiliary jack/USB port terminal UD
―  Short cord No.2 UB and auxiliary jack/USB port terminal UC
―  Short cord No.2 UC and auxiliary jack/USB port terminal UB
―  Short cord No.2 UD and auxiliary jack/USB port terminal UA
•  Auxiliary jack/USB port malfunction
•  Audio unit malfunction

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY MUSIC FILES IN USB DEVICE/iPod
•  Is there any playable music file in the USB device/iPod?
Yes
Go to the next step.
No
System is normal. (No playable file in USB device/iPod)
Go to Step 10.
2
INSPECT USB DEVICE/iPod
•  Connect the USB device/iPod to a same-model vehicle (model/unit).
•  Is the USB device/iPod connection detected/unit plays back.
Yes
Go to the next step.
No
System is normal. (USB device/iPod malfunction or incompatible USB device.)
Go to Step 10.
3
INSPECT AUDIO UNIT CONNECTOR CONDITION
•  Switch the ignition off (LOCK).
•  Disconnect the negative battery cable.
•  Disconnect the audio unit connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is there any malfunctioning part?
Yes
Repair or replace the connector, then go to Step 10.
No
Go to the next step.
4
INSPECT AUXILIARY JACK/USB PORT CONNECTOR CONDITION
•  Disconnect the auxiliary jack/USB port connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is there any malfunctioning part?
Yes
Repair or replace the connector, then go to Step 10.
No
Go to the next step.
5
INSPECT SHORT CORD NO.1 CONNECTOR CONDITION
•  Disconnect the short cord No.1 connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is there any malfunctioning part?
Yes
Repair or replace the connector, then go to Step 10.
No
Go to the next step.
6
INSPECT SHORT CORD NO.2 CONNECTOR CONDITION
•  Disconnect the short cord No.2 connector.
•  Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
•  Is there any malfunctioning part?
Yes
Repair or replace the connector, then go to Step 10.
No
Go to the next step.
7
INSPECT WIRING HARNESS FOR OPEN CIRCUIT BETWEEN AUDIO UNIT AND AUXILIARY JACK/USB PORT
•  Verify that the connectors for the audio unit and the auxiliary jack/USB port are not disconnected.
•  Inspect for continuity between the following terminals (vehicle wiring harness).
―  Audio unit terminal 3A and short cord No.1 terminal UA
―  Audio unit terminal 3B and short cord No.1 terminal UB
―  Audio unit terminal 3C and short cord No.1 port terminal UD
―  Audio unit terminal 3D and short cord No.1 port terminal UC
―  Short cord No.2 UA and auxiliary jack/USB port terminal UD
―  Short cord No.2 UB and auxiliary jack/USB port terminal UC
―  Short cord No.2 UC and auxiliary jack/USB port terminal UB
―  Short cord No.2 UD and auxiliary jack/USB port terminal UA
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness, then go to Step 10.
8
INSPECT WIRING HARNESS FOR SHORT TO GROUND BETWEEN AUDIO UNIT AND AUXILIARY JACK/USB PORT
•  Inspect for continuity between the following wiring harness terminals (vehicle wiring harness side) and body ground.
―  Audio unit terminal 3A and short cord No.1 terminal UA
―  Audio unit terminal 3B and short cord No.1 terminal UB
―  Audio unit terminal 3C and short cord No.1 port terminal UD
―  Audio unit terminal 3D and short cord No.1 port terminal UC
―  Short cord No.2 UA and auxiliary jack/USB port terminal UD
―  Short cord No.2 UB and auxiliary jack/USB port terminal UC
―  Short cord No.2 UC and auxiliary jack/USB port terminal UB
―  Short cord No.2 UD and auxiliary jack/USB port terminal UA
•  Is there continuity?
Yes
Repair or replace the wiring harness, then go to Step 10.
No
Go to the next step.
9
INSPECT AUXILIARY JACK/USB PORT
•  Inspect the auxiliary jack/USB port.
•  Is there any malfunctioning part?
Yes
Replace the auxiliary jack/USB port, then go to Step 10.
No
Go to the next step.
10
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Reconnect all the disconnected connectors.
•  Connect the negative battery cable.
•  Clear the audio unit DTCs.
•  Perform the audio unit DTC inspection.
•  Is the same DTC displayed?
Yes
Return to Step 1 and inspect for other possible causes.
If the malfunction recurs, replace the center panel unit, then go to the next step.
No
Go to the next step.
11
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.