Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Transmission Range Sensor "A" Circuit Open (P070513,P070562)

DESCRIPTION

The park/neutral position switch detects the shift lever position and sends signals to the ECM.

DTC No.

DTC Detection Condition

Trouble Area

SAE

P070513

All of the following signals are OFF simultaneously for 60 seconds or more (2 trip detection logic):

  • NSW input signal
  • P input signal
  • R input signal
  • N input signal
  • D input signal
  • Open or short in park/neutral position switch circuit
  • Park/neutral position switch
  • ECM

P0705

P070562

Any 2 or more of the following signals are ON simultaneously for 2 seconds or more (2 trip detection logic):

  • One of the following conditions is met.
    • P input signal is ON
    • N input signal is ON
    • NSW input signal is ON
  • R input signal
  • D input signal
  • Open or short in park/neutral position switch circuit
  • Park/neutral position switch
  • ECM

P0705

MONITOR DESCRIPTION

This DTC indicates a problem with the park/neutral position switch and the wire harness in the park/neutral position switch circuit.

The park/neutral position switch detects the shift lever position and sends signals to the ECM.

For safety, the park/neutral position switch detects the shift lever position so that the engine can be started only when the shift lever is in P or N.

The park/neutral position switch sends a signal to the ECM according to the shift lever position (P, R, N, D or S). The ECM determines that there is a problem with the switch or related parts if it receives more than 1 position signal simultaneously. The ECM will illuminate the MIL and store the DTC.

MONITOR STRATEGY

Related DTCs

P0705: Park/neutral position switch/Verify switch input

Required sensors/Components

Park/neutral position switch

Frequency of operation

Continuous

Duration

P070513:

60 sec.

P070562:

2 sec.

MIL operation

2 driving cycles

Sequence of operation

None

TYPICAL ENABLING CONDITIONS

The monitor will run whenever this DTC is not stored

None

Ignition switch

ON

Battery voltage

8 V or more

Starter

OFF

TYPICAL MALFUNCTION THRESHOLDS

  • P070513:
    • All of the following conditions are met

P position switch

OFF

N position switch

OFF

Park/neutral position switch (NSW)

OFF

R position switch

OFF

D position switch

OFF

  • P070562:

Any two of the following conditions are met:

Conditions 1, 2 and 3

1. One of the following conditions is met:

Conditions (a), (b) or (c)

(a). P position switch

ON

(b). Park/neutral position switch (NSW)

ON

(c). N position switch

ON

2. R position switch

ON

3. D position switch

ON

COMPONENT OPERATING RANGE

Park/neutral position switch

The park/neutral position switch sends only one signal to the ECM.

CONFIRMATION DRIVING PATTERN

HINT:

  • After repairs have been completed, clear the DTCs and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
  • When clearing the permanent DTCs, refer to the Clear Permanent DTC procedure (See page ).
  1. Connect the Techstream to the DLC3.
  2. Turn the ignition switch to ON and turn the Techstream on.
  3. Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
  4. Turn the ignition switch off and wait for 2 minutes or more.
  5. Turn the ignition switch to ON and turn the Techstream on.
  6. Wait with the shift lever in each position (P, R, N and D) for 60 seconds or more each with the ignition switch to ON. [*1]

    HINT:

    [*1] : Normal judgment procedure.

    The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.

  7. Enter the following menus: Powertrain / Transmission / Utility / All Readiness.
  8. Input the DTC: P070513 or P070562.
  9. Check the DTC judgment result.

    Techstream Display

    Description

    NORMAL

    • DTC judgment completed
    • System normal

    ABNORMAL

    • DTC judgment completed
    • System abnormal

    INCOMPLETE

    • DTC judgment not completed
    • Perform driving pattern after confirming DTC enabling conditions

    N/A

    • Unable to perform DTC judgment
    • Number of DTCs which do not fulfill DTC preconditions has reached ECU memory limit

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
    • If the judgment result shows INCOMPLETE or N/A, perform the normal judgment procedure again.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

CAUTION / NOTICE / HINT

NOTICE:

  • Perform the universal trip to clear permanent DTCs (See page Perform registration and/or initialization when parts related to the ).
  • Perform registration and/or initialization when parts related to the automatic transmission are replaced (See page Inspect the fuses for circuits related to this system before performing ).
  • Inspect the fuses for circuits related to this system before performing the following inspection procedure.

1. DATA LIST

HINT:

Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

NOTICE:

In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.

(a) Warm up the engine.

(b) Turn the ignition switch off.

(c) Connect the Techstream to the DLC3.

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Powertrain / Transmission / Data List.

(g) According to the display on the Techstream, read the Data List.

Transmission

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Neutral Position SW

Park/neutral position switch status/

ON or OFF

  • ON: Shift lever in P or N
  • OFF: Shift lever not in P or N

When the shift lever position displayed on the Techstream differs from the actual position, adjustment of the park/neutral position switch or the shift cable may be incorrect.

Shift SW Status (P Range)

Park/neutral position switch status/

ON or OFF

  • ON: Shift lever in P
  • OFF: Shift lever not in P

When the shift lever position displayed on the Techstream differs from the actual position, adjustment of the park/neutral position switch or the shift cable may be incorrect.

Shift SW Status (R Range)

Park/neutral position switch status/

ON or OFF

  • ON: Shift lever in R
  • OFF: Shift lever not in R

When the shift lever position displayed on the Techstream differs from the actual position, adjustment of the park/neutral position switch or the shift cable may be incorrect.

Shift SW Status (N Range)

Park/neutral position switch status/

ON or OFF

  • ON: Shift lever in N
  • OFF: Shift lever not in N

When the shift lever position displayed on the Techstream differs from the actual position, adjustment of the park/neutral position switch or the shift cable may be incorrect.

Shift SW Status (D Range)

Park/neutral position switch status/

ON or OFF

  • ON: Shift lever in D, S, "+" or "-"
  • OFF: Shift lever not in D, S, "+" or "-"

When the shift lever position displayed on the Techstream differs from the actual position, adjustment of the park/neutral position switch or the shift cable may be incorrect.

PROCEDURE

1.

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

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

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

P1-2 (RB) - Body ground

Ignition switch ON

11 to 14 V

P1-2 (RB) - Body ground

Ignition switch off

Below 1 V

Text in Illustration

*a

Front view of wire harness connector

(to Park/Neutral Position Switch)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

2.

CHECK HARNESS AND CONNECTOR (NSW TERMINAL VOLTAGE)

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

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

P1-4 (B) - Body ground

Ignition switch ON

11 to 14 V

P1-4 (B) - Body ground

Ignition switch off

Below 1 V

Text in Illustration

*a

Front view of wire harness connector

(to Park/Neutral Position Switch)

NG

GO TO STEP 5

OK

3.

INSPECT PARK/NEUTRAL POSITION SWITCH

(a) Disconnect the P1 park/neutral position switch connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (B) - 5 (L)

Shift lever in P or N

Below 1 Ω

2 (RB) - 6 (PL)

Shift lever in P

Below 1 Ω

2 (RB) - 1 (RL)

Shift lever in R

Below 1 Ω

2 (RB) - 9 (NL)

Shift lever in N

Below 1 Ω

2 (RB) - 7 (DL)

Shift lever in D, S, "+" or "-"

Below 1 Ω

4 (B) - 5 (L)

Shift lever not in P or N

10 kΩ or higher

2 (RB) - 6 (PL)

Shift lever not in P

10 kΩ or higher

2 (RB) - 1 (RL)

Shift lever not in R

10 kΩ or higher

2 (RB) - 9 (NL)

Shift lever not in N

10 kΩ or higher

2 (RB) - 7 (DL)

Shift lever not in D, S, "+" or "-"

10 kΩ or higher

Text in Illustration

*a

Component without harness connected

(Park/Neutral Position Switch)

NG

REPLACE PARK/NEUTRAL POSITION SWITCH

OK

4.

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

(a) Disconnect the ECM connector.

(b) Turn the ignition switch to ON.

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

E12-18 (P) - Body ground

  • Ignition switch ON
  • Shift lever in P

11 to 14 V

E12-17 (R) - Body ground

  • Ignition switch ON
  • Shift lever in R

11 to 14 V*

E12-28 (N) - Body ground

  • Ignition switch ON
  • Shift lever in N

11 to 14 V

E12-27 (D) - Body ground

  • Ignition switch ON
  • Shift lever in D, S, "+" or "-"

11 to 14 V

E12-18 (P) - Body ground

  • Ignition switch ON
  • Shift lever not in P

Below 1 V

E12-17 (R) - Body ground

  • Ignition switch ON
  • Shift lever not in R

Below 1 V

E12-28 (N) - Body ground

  • Ignition switch ON
  • Shift lever not in N

Below 1 V

E12-27 (D) - Body ground

  • Ignition switch ON
  • Shift lever not in D, S, "+" or "-"

Below 1 V

Text in Illustration

*a

Rear view of wire harness connector

(to ECM)

HINT:

*: The voltage will drop slightly due to lighting up of the backup light.

OK

REPLACE ECM

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.

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

(a) Disconnect the P1 park/neutral position switch connector.

(b) Disconnect the E13 ECM connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

P1-4 (B) - E13-13 (NSW)

Always

Below 1 Ω

P1-4 (B) or E13-13 (NSW) - Body ground and other terminals

Always

10 kΩ or higher

OK

REPLACE ECM

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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