Toyota Tundra. Manual — part 932

Fig. 52: Identifying Malfunction In Park/Neutral Position Switch - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

INSPECTION PROCEDURE

1. CHECK CAN COMMUNICATION SYSTEM

a. Check if a CAN communication system DTC is output (See DIAGNOSTIC TROUBLE CODE

TABLE ).

Result

RESULT TABLE

B: GO TO CAN COMMUNICATION SYSTEM (See HOW TO PROCEED WITH
TROUBLESHOOTING )

NOTE:

When replacing the VSC actuator assembly, perform zero point calibration (See
CALIBRATION ).

Result

Proceed to

DTC is not output

A

DTC is output

B

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

A: Go To Next Step

2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

a. Disconnect the D35 switch connector.

b. Measure the resistance of the park/neutral position switch when the shift lever is moved to each

position.

Standard Resistance

TESTER CONNECTION SPECIFIED CONDITION TABLE

Fig. 53: Identifying D35 Park/Neutral Position Switch Connector Terminals
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

OK: Go To Next Step

Tester Connection

Switch Condition

Specified Condition

2 (RB) - 6 (PL) 4 (B) - 5 (L)

Shift lever position on P

Below 1 ohms

2 (RB) - 1 (RL)

Shift lever position on R

2 (RB) - 9 (NL) 4 (B) - 5 (L)

Shift lever position on N

2 (RB) - 7 (DL)

Shift lever position on D Shift

lever position on S, "+" and "-"

2 (RB) - 6 (PL) 4 (B) - 5 (L)

Shift lever position not on P

10 kohms or higher

2 (RB) - 1 (RL)

Shift lever position not on R

2 (RB) - 9 (NL) 4 (B) - 5 (L)

Shift lever position not on N

2 (RB) - 7 (DL)

Shift lever position not on D

Shift lever position not on S,

"+" and "-"

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

3. CHECK PARK/NEUTRAL POSITION SWITCH ASSEMBLY (POWER SOURCE)

a. Disconnect the D35 switch connector.

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

Standard Voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Fig. 54: Identifying D35 Park/Neutral Position Switch Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION
SWITCH - IGNITION SWITCH)

OK: Go To Next Step

4. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM)

a. Disconnect the D74 ECM connector.

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

Standard Voltage

TESTER CONNECTION SPECIFIED CONDITION TABLE

Tester Connection

Switch Condition

Specified Condition

D35-2 (RB) - Body ground

Ignition switch ON

11 to 14 V

D35-2 (RB) - Body ground

Ignition switch OFF

Below 1 V

Tester Connection

Switch Condition

Specified Condition

D74-2 (P) - Body ground

D74-120 (NSW) - Body ground

Ignition switch ON Shift lever

position on P

11 to 14 V

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra

Fig. 55: Identifying D74 ECM Connector
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Result

RESULT TABLE

B: REPLACE ECM (See REMOVAL )

D74-26 (R) - Body ground

Ignition switch ON Shift lever

position on R

11 to 14 V*

D74-2S (N) - Body ground

D74-120 (NSW) - Body ground

Ignition switch ON Shift lever

position on N

11 to 14 V

D74-27 (D) - Body ground

Ignition switch ON Shift lever

position on D

D74-2 (P) - Body ground

D74-120 (NSW) - Body ground

Ignition switch ON Shift lever

position not on P

Below 1 V

D74-26 (R) - Body ground

Ignition switch ON Shift lever

position not on R

D74-25 (N) - Body ground D74-

120 (NSW) - Body ground

Ignition switch ON Shift lever

position not on N

D74-27 (D) - Body ground

Ignition switch ON Shift lever

position not on D

HINT:
*: The voltage will drop slightly due to the turning on of the back up light.

Result

Proceed to

NG

A

OK (for 1GR-FE)

B

OK (for 2UZ-FE)

C

OK (for 3UR-FE)

D

2009 Toyota Tundra

2009 BRAKES Brake Control - Tundra