Toyota Tundra. Manual — part 489

INSPECTION PROCEDURE

1. CHECK NAVIGATION RECEIVER POWER SOURCE CIRCUIT

a. Refer to the NAVIGATION RECEIVER POWER SOURCE CIRCUIT .

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

2. INSPECT NAVIGATION RECEIVER

a. Disconnect the K18 receiver connector.

Fig. 92: Identifying K18 Receiver Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

Standard resistance

NAVIGATION RECEIVER TESTER CONNECTION SPECIFIED CONDITION

occurs.



Navigation receiver



Component which has stored this code

HINT:
*: When 210 seconds have elapsed after disconnecting the power supply connector of the master
component with the ignition switch ON or ACC, this code is stored.

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 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.

Tester Connection Condition Specified Condition

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Result

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

3. 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

HINT:

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

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

60 to 80 ohms

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C

Display

Component

DSP-AMP Stereo component amplifier

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Fig. 93: Diagnostic Menu Screen Display - LAN Monitor Mode
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4. 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.

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OK: There is no open or short circuit.

Fig. 94: AVC-LAN Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to next step

5. REPLACE NAVIGATION RECEIVER

a. Replace the navigation receiver (for Column Shift Type) with a normal one (see REMOVAL ).

b. Replace the navigation receiver (for Floor Shift Type) with a normal one (see REMOVAL ).

c. Check if the same problem occurs again.

OK: Same problem does not occur.

NG: REPLACE COMPONENT WHICH HAS STORED THIS CODE

OK: END

DTC 01-E0 REGISTRATION COMPLETE INDICATION ERROR; DTC 01-E3 REGISTRATION
DEMAND TRANSMISSION; DTC 01-E4 MULTIPLE FRAME INCOMPLETE

DESCRIPTION

DTC TROUBLE DETECTION CONDITION CHART

HINT:

DTC

No.

DTC Detection Condition

Trouble

Area

01-E0 "Registration complete" signal from master device cannot be received.

-

01-E3

Registration demand signal from slave device is output. Or registration demand signal
is output by receiving connection confirmation signal from sub-master device.

-

01-E4 Multiple frame transmission is incomplete.

-

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra