Toyota Tundra Service Manual: Park / Neutral Position Switch Circuit

DESCRIPTION

This circuit sends the park/neutral position switch assembly signals to the clearance warning ECU assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK CLEARANCE WARNING ECU ASSEMBLY

(a) Disconnect the clearance warning ECU assembly connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

J35-6 (PL) - Body ground

Ignition switch ON, shift lever in P

11 to 14 V

Ignition switch ON, shift lever not in P

Below 1 V

J35-21 (RL) - Body ground

Ignition switch ON, shift lever in R

11 to 14 V

Ignition switch ON, shift lever not in R

Below 1 V

Text in Illustration

*a

Front view of wire harness connector

(to Clearance Warning ECU Assembly)

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

2.

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - CLEARANCE WARNING ECU ASSEMBLY)

(a) Disconnect the D35 park/neutral position switch assembly connector.

(b) Disconnect the J35 clearance warning ECU assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

D35-6 (PL) - J35-6 (PL)

Always

Below 1 Ω

D35-1 (RL) - J35-21 (RL)

Always

Below 1 Ω

D35-6 (PL) - Body ground

Always

10 kΩ or higher

D35-1 (RL) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - BATTERY)

(a) Disconnect the park/neutral position switch assembly connector.

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

D35-2 (RB) - Body ground

Ignition switch ON

11 to 14 V

Text in Illustration

*a

Front view of wire harness connector

(to Park/Neutral Position Switch Assembly)

HINT:

*: Park/neutral position switch assembly replacement procedure:

  • for A760E: See page
  • for A760F: See page
  • for AB60E: See page
  • for AB60F: See page
OK

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY*

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    Operation Check

    Parts Location

    See More:

    Toyota Tundra Service Manual > Navigation System: Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Navigation System DTC Code Detection Item See page B1324 Lost Communication with Meter B1532 LVDS Signal Malfu ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2021 Copyright www.ttundra.com
    0.0197