Toyota Venza manuals

Toyota Venza: Transmission Range Sensor Circuit Malfunction (PRNDL Input) (P0705)

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / Transmission Range Sensor Circuit Malfunction (PRNDL Input) (P0705)

DESCRIPTION

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

DTC No.

DTC Detection Condition

Trouble Area

P0705

One of the following conditions A, B or C is met (2 trip detection logic):

A. One of the following conditions (a), (b) or (c) is met:

(a) Any 2 or more signals of the following are on simultaneously:

  • P input signal
  • R input signal
  • D input signal

(b) Any 2 or more signals of the following are on simultaneously:

  • N input signal
  • R input signal
  • D input signal

(c) Any 2 or more signals of the following are on simultaneously:

  • NSW input signal
  • R input signal
  • D input signal

B. Any of the following conditions is met for 2 seconds or more in the S position:

  • NSW input signal is on
  • P input signal is on
  • N input signal is on
  • R input signal is on

C. All switches are off simultaneously for NSW, P, R, N and D.

  • Open or short in park/neutral position switch circuit
  • Short in park/neutral position switch assembly
  • Open or short in transmission control switch circuit
  • Shift lock control unit assembly
  • ECM

MONITOR DESCRIPTION

These DTCs indicate a problem with the park/neutral position switch assembly and the wire harness in the park/neutral position switch circuit.

The park/neutral position switch assembly detects the shift lever position and sends a signal to the ECM.

For security, the park/neutral position switch assembly 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 assembly 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 turn on the MIL and store the DTC.

MONITOR STRATEGY

Related DTCs

P0705: Park/Neutral Position Switch Assembly Verify Switch Input

Required sensors/Components

Park/neutral position switch assembly

Frequency of operation

Continuous

Duration

2 seconds: Case 1 and 3

60 seconds: Case 2

MIL operation

2 driving cycles

Sequence of operation

None

TYPICAL ENABLING CONDITIONS

Case 1 and 2

Monitor runs whenever the following DTCs are not stored

None

All of the following conditions are met

-

Ignition switch

ON

Battery voltage

10.5 V or more

Starter

OFF

Case 3

Monitor runs whenever the following DTCs are not stored

None

All of the following conditions are met

-

Ignition switch

ON

Battery voltage

10.5 V or more

Starter

OFF

One of the following conditions is met:

(a), (b), (c) or (d)

(a) Park/neutral position switch

ON

(b) Park position switch

ON

(c) Neutral position switch

ON

(d) R range position switch

ON

TYPICAL MALFUNCTION THRESHOLDS

Case 1

Any two of the following conditions are met:

A, B and C

A. One of the following conditions is met:

(a), (b) or (c)

(a). Park position switch

ON

(b). Neutral position switch

ON

(c). Park/neutral position switch

ON

B. R range position switch

ON

C. D range position switch

ON

Case 2

All of the following conditions are met

-

Park position switch

OFF

Neutral position switch

OFF

Park/neutral position switch

OFF

R range position switch

OFF

D range position switch

OFF

Case 3

S range position switch

ON

CONFIRMATION DRIVING PATTERN

  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) (See page ).

  4. Turn the ignition switch off and wait for at least 30 seconds.
  5. Turn the ignition switch to ON and turn the Techstream on.
  6. Move the shift lever to R and wait 2 seconds or more.
  7. Move the shift lever to N and wait 2 seconds or more.
  8. Move the shift lever to D and wait 2 seconds or more.
  9. Move the shift lever to S and wait 2 seconds or more.
  10. Move the shift lever to P and wait 2 seconds or more.
  11. Wait 1 minute or more.
  12. Enter the following menus: Powertrain / Engine / Trouble Codes.
  13. Read the Pending DTCs.

    HINT:

    • If a pending DTC is output, the system is malfunctioning.
    • If a pending DTC is not output, perform the following procedure.
  14. Enter the following menus: Powertrain / Engine / Utility / All Readiness.
  15. Input the DTC: P0705.
  16. 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's memory limit

    HINT:

    • If the judgment result shows NORMAL, the system is normal.
    • If the judgment result shows ABNORMAL, the system has a malfunction.
  17. If the test result is INCOMPLETE or N/A and no pending DTC is output, perform a universal trip and check for permanent DTCs (See page ).

    HINT:

    • If a permanent DTC is output, the system is malfunctioning.
    • If no permanent DTC is output, the system is normal.

WIRING DIAGRAM


CAUTION / NOTICE / HINT

NOTICE:

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

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 by discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

1. DATA LIST

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 / Engine / Data List.

(g) Read the values displayed on the Techstream.

Techstream Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Shift SW Status (R Range)

Park/neutral position switch assembly status:

ON or OFF

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

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

Shift SW Status (P Range)

Park/neutral position switch assembly status:

ON or OFF

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

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

Shift SW Status (N Range)

Park/neutral position switch assembly status:

ON or OFF

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

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

Shift SW Status (D Range)

Park/neutral position switch assembly status:

ON or OFF

  • ON: Shift lever in D or S
  • OFF: Shift lever not in D or S

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

Sports Mode Selection SW

Sport Mode Select Switch Status:

ON or OFF

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

-

PROCEDURE

1.

READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine / Data List.

(e) Read the values displayed on the Techstream.

OK:

Techstream Display

Shift Lever

Specified Condition

Neutral Position SW Signal

P or N

ON

Except P or N

OFF

Shift SW Status (R Range)

R

ON

Except R

OFF

Shift SW Status (P Range)

P

ON

Except P

OFF

Shift SW Status (N Range)

N

ON

Except N

OFF

Shift SW Status (D Range)

D or S

ON

Except D or S

OFF


NG

GO TO STEP 4


OK

2.

READ VALUE USING TECHSTREAM (SPORTS MODE SELECTION SW)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Engine / Data List / Sports Mode Selection SW.

(e) Read the values displayed on the Techstream.

OK:

Techstream Display

Shift Lever

Specified Condition

Sports Mode Selection SW

S

ON

Except S

OFF


OK

CHECK FOR INTERMITTENT PROBLEMS


NG

3.

INSPECT TRANSMISSION CONTROL SWITCH

(a) Inspect the transmission control switch (See page for U760E, See page
for U760F).


Result

Proceed to

OK

A

NG (for U760E)

B

NG (for U760F)

C


A

REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - TRANSMISSION CONTROL SWITCH)


B

REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY


C

REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY

4.

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

(a) Disconnect the park/neutral position switch assembly 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

Switch Condition

Specified Condition

B2-1 (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)


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - BATTERY)


OK

5.

INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Inspect the park/neutral position switch assembly (See page for U760E, See page
for U760F).


Result

Proceed to

OK

A

NG (for U760E)

B

NG (for U760F)

C


B

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY


C

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY


A

6.

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

(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

B58-32 (P) - Body ground

  • Ignition switch ON
  • Shift lever in P

11 to 14 V

  • Ignition switch ON
  • Shift lever in any position other than P

0 to 1.5 V

B58-33 (R) - Body ground

  • Ignition switch ON
  • Shift lever in R

11 to 14 V

  • Ignition switch ON
  • Shift lever in any position other than R

0 to 1.5 V

B58-34 (N) - Body ground

  • Ignition switch ON
  • Shift lever in N

11 to 14 V

  • Ignition switch ON
  • Shift lever in any position other than N

0 to 1.5 V

B58-30 (D) - Body ground

  • Ignition switch ON
  • Shift lever in D or S

11 to 14 V

  • Ignition switch ON
  • Shift lever in any position other than D or S

0 to 1.5 V


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (ECM - PARK/NEUTRAL POSITION SWITCH ASSEMBLY)


OK

7.

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

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

(b) Disconnect the ECM connector.

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

Standard Resistance (Check for Open):

Tester Connection

Condition

Specified Condition

B2-4 (B) - B58-47 (NSW)

Always

Below 1 Ω

Standard Resistance (Check for Short):

Tester Connection

Condition

Specified Condition

B2-4 (B) or B58-47 (NSW) - Body ground

Always

10 kΩ or higher


OK

REPLACE ECM


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY - ECM)

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