DTC 03:ER10

B3E090266900W08

DTC 03:Er10

CD player-base unit communication line

DETECTION CONDITION

• Base unit detects communication error with CD player.

POSSIBLE CAUSE

• Malfunction of connectors between base unit and CD player
• CD player malfunction
• Base unit malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
Remove the CD player and verify the connector condition (bent pins, poor female terminal connection, trapped foreign material).
Is the connector normal?
Yes
Go to the next step.
No
Repair the connector and go to the next step.
2
Assemble the CD player to the base unit and verify assembly condition.
Is assembly condition normal?
Yes
Go to the next step.
No
Repair the assembly condition and go to the next step.
3
Clear the DTC, turn the ignition switch to the ON position and then hold for 3 s or more.
Is DTC 03: Er10 displayed?
Yes
Replace the base unit and CD player.
No
DTC troubleshooting completed.