Toyota Tundra. Manual — part 578

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

2. CHECK HARNESS AND CONNECTOR (PARK / NEUTRAL POSITION SWITCH

NAVIGATION RECEIVER AND BATTERY)

a. Disconnect the K6 receiver connector.

b. Disconnect the D35 switch connector.

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

Standard resistance

HARNESS AND CONNECTOR (PARK / NEUTRAL POSITION SWITCH NAVIGATION
RECEIVER AND BATTERY) TESTER CONNECTION SPECIFIED CONDITION
RESISTANCE

Result

Proceed to

NG

A

OK (for Column Shift Type)

B

OK (for Floor Shift Type)

C

Tester Connection

Condition Specified Condition

D35-1 (RL) - K6-5 (REV)

Always

Below 1 ohms

D35-1 (RL) - Body ground Always

10 kohms or higher

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 429: Identifying K6 Receiver Connector And D35 Switch Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Measure the voltage according to the value(s) in the table below.

Standard voltage

HARNESS AND CONNECTOR (PARK / NEUTRAL POSITION SWITCH NAVIGATION
RECEIVER AND BATTERY) TESTER CONNECTION SPECIFIED CONDITION
VOLTAGE

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

3. INSPECT PARK / NEUTRAL POSITION SWITCH

a. Disconnect the D35 switch connector

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

Standard resistance

PARK / NEUTRAL POSITION SWITCH TESTER CONNECTION SPECIFIED
CONDITION

Tester Connection

Switch Condition Specified Condition

D35-2 (RB) - Body ground

Ignition switch OFF

Below 1 V

Ignition switch ACC

11 to 14 V

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 430: Identifying D35 Switch Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

PARK / NEUTRAL POSITION SWITCH RESULT CHART

B: REPLACE PARK / NEUTRAL POSITION SWITCH (See REMOVAL )

C: REPLACE PARK / NEUTRAL POSITION SWITCH (See DATA LIST/ACTIVE TEST )

D: REPLACE PARK/ NEUTRAL POSITION SWITCH (See REMOVAL )

E: REPLACE PARK / NEUTRAL POSITION SWITCH (See DATA LIST/ACTIVE TEST )

A: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

MICROPHONE CIRCUIT BETWEEN MICROPHONE AND NAVIGATION RECEIVER ASSEMBLY

DESCRIPTION

This circuit sends a microphone signal from the microphone to the navigation receiver.

WIRING DIAGRAM

Tester Connection

Shift Lever Position

Specified Condition

2 (RB) - 1 (RL)

Ignition switch ACC, shift lever in R position

Below 1 ohms

Ignition switch ACC, shift lever in P position 10 kohms or higher

Result

Proceed to

OK

A

NG (for A750E)

B

NG (for AB60F)

C

NG (for A750F)

D

NG (for AB60E)

E

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra

Fig. 431: Microphone Circuit Between Microphone And Navigation Receiver Assembly - Wiring
Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK NAVIGATION RECEIVER

a. Check that waveform of the microphone using an oscilloscope.

OK: Waveform that matches sound spoken into microphone is output.

NAVIGATION RECEIVER TESTER CONNECTION SPECIFIED CONDITION

Fig. 432: Identifying K7 Navigation Receiver Connector

Item

Content

Tester Connection K7-19 (MIC+) - K7-20 (MIC-)

Tool Setting

0.2 V/DIV., 0.2 µsec./DIV.

Condition

Ignition switch ACC and steering pad switch's "Voice" switch is pressed

2009 Toyota Tundra

2009 ACCESSORIES AND EQUIPMENT Navigation - Tundra