Toyota Tundra. Manual — part 543

NAVIGATION RECEIVER RESULT CHART

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )

C: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

A: Go to Next Step

5. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - COMPONENT WHICH

HAS STORED THIS CODE)

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

navigation receiver and the component which has stored this code.

1. Disconnect all connectors between the navigation receiver and the component which has

stored this code.

2. Check for an open or short in the AVC-LAN circuit between the navigation receiver and the

component which has stored this code.

OK: There is no open or short circuit.

Fig. 303: AVC-LAN Wiring Diagram - W/O Rear Seat Entertainment System
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 304: AVC-LAN Wiring Diagram - W/ Rear Seat Entertainment System
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

6. REPLACE COMPONENT WHICH HAS STORED THIS CODE

a. Replace the component which has stored this code with a normal one and check if the same

problem occurs again.

OK: Same problem does not occur.

Result

REPLACE COMPONENT RESULT CHART

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column Shift Type) )

C: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Floor Shift Type) )

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

A: END

DTC 01-DC TRANSMISSION ERROR

DESCRIPTION

DTC TROUBLE DETECTION CONDITION CHART

HINT:

This code may be stored if engine started, idled 60 seconds and then the ignition switch is turned to the START
position again.

INSPECTION PROCEDURE

1. CHECK FOR DTC OF OTHER COMPONENTS

a. Check if the component shown by the sub-code is displayed in the check result of the other

components.

1. Check if "01-DC" is output for the other components.

b. If "01-DC" is output for any other components, check if the same physical address is displayed.

HINT:

For the list of the components shown by sub-codes, refer to the table in the next step.

Result

FOR DTC OF OTHER COMPONENTS

DTC

Code

DTC Detection Condition

Trouble Area

01-DC

Transmission to component
shown by subcode is failed.
(Detecting this DTC does not
always mean actual failure.)

If same sub-code is recorded in other components, check harness
for power supply and communication system of all components
shown by code

NOTE:



The navigation 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.

Result

Proceed to

"01-DC" is output and the same physical address is displayed

A

"01-DC" is not output or the same physical address is not displayed

B

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

B: Go to step 4

A: Go to Next Step

2. IDENTIFY COMPONENT WHICH HAS STORED THIS CODE

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

COMPONENT CHART

Display

Component

AVN

Navigation receiver

DSP-AMP

Stereo component amplifier

Rr-TV*

Television display

HINT:



"DSP-AMP" is the component which has stored this code in the example shown in the
illustration.



*: w/ Rear Seat Entertainment System

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra