Voice Processing Device ON Error

DESCRIPTION

DTC No.

DTC Detection Condition

01-DD *1

The device that should be the master has been disconnected after the engine starts.

01-E1

*2

The AMP device records that the AMP output does not function even while the source device is operating.

Radio and navigation assembly power source circuit

AVC-LAN circuit between the radio and navigation assembly and the component which has stored this code

Radio and navigation assembly Component which has stored this code

Trouble Area

Radio and navigation assembly power source circuit

AVC-LAN circuit between the radio and navigation assembly and the component which has stored this code

Radio and navigation assembly Component which has stored this code

HINT:

• *1: This code may be stored if the engine is started and the ignition switch is turned to the START position again. (Key type ignition switch only)

• *2: Even if no fault is present, this trouble code may be stored depending on the battery condition or engine start voltage.

NOTICE:

• Before starting troubleshooting, be sure to clear DTCs to erase codes stored due to the reasons described in the HINT above. Then, check for DTCs and troubleshoot according to the output DTCs.

• The radio and navigation assembly is the master unit.

• Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE

NOTICE:

Be sure to read DESCRIPTION before performing the following procedures.

CHECK RADIO AND NAVIGATION ASSEMBLY POWER SOURCE CIRCUIT

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Refer to the radio and navigation assembly power source circuit (See page NS-191).

If the power source circuit is operating normally, proceed to the next step.

INSPECT RADIO AND NAVIGATION ASSEMBLY

(a) Disconnect the radio and navigation assembly connector.

(b) Measure the resistance according to the value(s) in the table below.

Standard resistance

Tester connection

Condition

Specified condition

ATX+ (F9-5) -ATX- (F9-15)

Always

60 to 80 Q

REPLACE RADIO AND NAVIGATION ASSEMBLY

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

Example:

System Check Mode

EMV rOidl NÄVI CHEK CD-CH1 EXCH CD-CH2 iOKl MD-CH OK

CAMERA

MONET INRESI

H LAN Mon I CodeCLR Memory CLR Recheck

(a) Enter the diagnostic mode.

(b) Press the "LAN Mon" switch to change to "LAN Monitor" mode.

(c) Identify the component which has stored this code. Component Table:

Display

Component

DSP-AMP

Stereo component amplifier

HINT:

"NAVI" is the component which has stored this code in the example shown in the illustration.

BACK

,Component which has stored this code

LAN Monitor // |l NAVI If

Code Sub-Code

Code

Sub-Code

01-D7 110-3A-4 01-DC 1FF-3A-F 01-DC 110-21-1 101 —DD1110—7B—2

01-DFV 00-1

01-E3

00-F

DTC

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CHECK HARNESS AND CONNECTOR

HINT:

For details of the connectors, refer to "TERMINALS OF ECU"

(a) Referring to the AVC-LAN wiring diagram below, check the AVC-LAN circuit between the radio and navigation assembly and the component which has stored this code.

(1) Disconnect all connectors between the radio and navigation assembly and the component which has stored this code.

(2) Check for an open or short in the AVC-LAN circuit between the radio and navigation assembly and the component which has stored this code.

There is no open or short circuit.

AVC-LAN WIRING DIAGRAM

Stereo Component Amplifier (*2)

*1: Master Unit *2: Slave Unit

Radio and Navigation Assembly (*1)

8

5

TX+

©-

ATX+

7

15

TX-

©-

-CED

ATX-

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE RADIO AND NAVIGATION ASSEMBLY

(a) Replace the radio and navigation assembly with a normal one and check if the same problem occurs again. OK:

Same problem does not occur.

REPLACE COMPONENT WHICH HAS STORED THIS CODE

01-DF

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