Toyota Tundra. Manual — part 522

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

3. CHECK NAVIGATION RECEIVER

a. Disconnect the K18 receiver connector.

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

Standard resistance

NAVIGATION RECEIVER TESTER CONNECTION SPECIFIED CONDITION

Fig. 214: Identifying K18 Receiver Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

4. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER - COMPONENT SHOWN

BY SUB-CODE)

HINT:

POWER SOURCE CIRCUIT

Tester Connection Condition Specified Condition

E5(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

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra



Start the check from the circuit that is near the component shown by the sub-code first.



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 shown by the sub-code.

1. Disconnect all connectors between the navigation receiver and the component shown by sub-

code.

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

component shown by the sub-code.

OK: There is no open or short circuit.

Fig. 215: 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 COMPONENT SHOWN BY SUB-CODE

a. Replace the component shown by the sub-code with a normal one and check if the same problem

occurs again.

OK: Same problem does not occur.

Result

COMPONENT SHOWN BY SUB-CODE RESULT CHART

B: REPLACE NAVIGATION RECEIVER (see REMOVAL (For Column 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

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

A: END

NAVIGATION SYSTEM (FOR CREWMAX)

PARTS LOCATION

Fig. 216: Identifying Navigation System Parts Location - For Crewmax (1 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 217: Identifying Navigation System Parts Location - For Crewmax (2 Of 3)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra