Toyota Tundra. Manual — part 146

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Press the preset switch "3" to change to "Detailed Information Mode".

c. Identify the component which has stored this code.

Component table:

COMPONENT TABLE

HINT:



"440 (stereo component amplifier)" is the component which has stored this code in the
example shown in the illustration.



For details of the DTC display, refer to "DTC CHECK / CLEAR" .

5. CHECK COMPONENT WHICH HAS STORED THIS CODE

a. Select the component which has stored this code.

Component table:

COMPONENT TABLE

NEXT: END

DTC 01-DD MASTER RESET; DTC 01-E1 VOICE PROCESSING DEVICE ON ERROR

DESCRIPTION

DTC TROUBLE DETECTION CONDITION

Component

Physical address

Stereo component amplifier

440

"Bluetooth" handsfree module

19D

Radio receiver

190

Component

Proceed to

Stereo component
amplifier

Stereo component amplifier communication error (see STEREO
COMPONENT AMPLIFIER COMMUNICATION ERROR )

"Bluetooth"
handsfree module

"Bluetooth" handsfree module communication error (see BLUETOOTH
HANDSFREE MODULE COMMUNICATION ERROR )

Radio receiver

Radio receiver communication error (see RADIO RECEIVER
COMMUNICATION ERROR )

DTC

No.

DTC Detection Condition

Trouble Area

01-

DD*1

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



Radio receiver power source circuit



AVC-LAN circuit between the radio
receiver and the component which has

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

INSPECTION PROCEDURE

1. CHECK RADIO RECEIVER POWER SOURCE CIRCUIT

a. Refer to the RADIO RECEIVER POWER SOURCE CIRCUIT .

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

2. INSPECT RADIO RECEIVER

a. Disconnect the K4 receiver connector.

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

Standard resistance

TESTER CONNECTION SPECIFIED CONDITION

Result:

RESULT REFERENCE

01-

E1*2

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

stored this code



Radio receiver



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

NOTE:



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 receiver is the master unit.



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

NOTE:

Be sure to read the DESCRIPTION before performing the following procedures.

Tester Connection

Condition Specified Condition

K4-5(ATX+) - K4-15 (ATX-) Always

60 to 80 ohms

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

B: REPLACE RADIO RECEIVER (see REMOVAL )

C: REPLACE RADIO RECEIVER (see REMOVAL )

Fig. 31: Identifying K4 Receiver Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

A: Go to Next Step

3. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE

a. Enter the diagnostic mode.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra

Fig. 32: Service Check Mode And Detailed Information Diagnostic Mode Flow Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Press the preset switch "3" to change to "Detailed Information Mode".

c. Identify the component which has stored this code.

Component table:

COMPONENT TABLE

HINT:



"440 (stereo component amplifier)" is the component which has stored this code in the
example shown in the illustration.

Component

Physical address

Stereo component amplifier

440

"Bluetooth" handsfree module

19D

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Audio/Visual - Tundra