DTC 01-DD Master Reset (DSP AMP); DTC 01-DF Master Error (DSP AMP); DTC 01-E1 Voice Processing Device ON Error (DSP AMP): Description
WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 01-DD *1 | Device that should be master has been disconnected after engine starts |
|
| 01-DF *2 | Device with a display fails and master is switched to audio device Also when a communication error between sub-master (audio) and master occurs, this code is stored | |
| 01-E1 *3 | AMP device records that AMP output does not function even while source device operates |
HINT:
- *1: This code may be stored if the engine is started, turned off, and then started again.
- *2: When 210 seconds have elapsed after disconnecting the power supply connector of the master component with the engine switch on (ACC or IG), this code is stored.
- *3: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.
- CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT
Refer to MULTI-DISPLAY POWER SOURCE CIRCUIT .
If the power source circuit is operating normally, proceed to the next step.
NEXT
- CHECK AVC-LAN CIRCUIT BETWEEN MULTI-DISPLAY AND RADIO RECEIVER ASSEMBLY
Refer to AVC-LAN CIRCUIT BETWEEN RADIO RECEIVER AND MULTI-DISPLAY .
If the AVC-LAN circuit is operating normally, proceed to the next step.
NEXT: REPLACE MULTI-DISPLAY