Dtc 01-Dd Master Reset (Dsp Amp)

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT

CHECK AVC-LAN CIRCUIT BETWEEN MULTI-DISPLAY AND RADIO RECEIVER ASSEMBLY

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


DTC No.
DTC Detection Condition
Trouble Area
01-DD
*1
Device that should be master has been disconnected after engine starts
  1. Wire harness
  2. Multi-display
01-DF
*2
Device with display fails and master is switched to audio device
Also when 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. *1: This code may be stored if the engine is started, turned off, and then started again.
  2. *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. *3: Even if no failure is detected, a trouble code may be recorded depending on the battery condition or engine start voltage.

INSPECTION PROCEDURE

1.CHECK MULTI-DISPLAY POWER SOURCE CIRCUIT
Refer to the "multi-display power source circuit" (Click here).
If the power source circuit is operating normally, proceed to the next step.

NEXT


2.CHECK AVC-LAN CIRCUIT BETWEEN MULTI-DISPLAY AND RADIO RECEIVER ASSEMBLY
Refer to the "AVC-LAN circuit between multi-display and radio receiver assembly" (Click here).
If the AVC-LAN circuit is operating normally, proceed to the next step.

NEXT

REPLACE MULTI-DISPLAY