Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Transmission Range Sensor "A" Circuit Open (P070513,P070562)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Engine & Hybrid System / 2gr-fks (engine Control) / Sfi System / Transmission Range Sensor "A" Circuit Open (P070513,P070562)

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P070513	Transmission Range Sensor "A" Circuit Open	All switches are off simultaneously for NSW, P, R, N and D for 1 minute or more (2 trip detection logic).	Open or short in park/neutral position switch assembly circuit Park/neutral position switch assembly ECM	Comes on	DTC stored	SAE Code: P0705
P070562	Transmission Range Sensor "A" Signal Compare Failure	Either of the following conditions A or B is met (2 trip detection logic): A. One of the following conditions (a), (b) or (c) is met for 2 seconds or more: (a) Any 2 or more of the following signals are on simultaneously: P input signal R input signal D input signal (b) Any 2 or more of the following signals are on simultaneously: N input signal R input signal D input signal (c) Any 2 or more of the following signals 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 with the shift lever in M: NSW input signal is on P input signal is on N input signal is on R input signal is on	Open or short in park/neutral position switch assembly circuit Park/neutral position switch assembly Open or short in transmission control switch circuit Transmission control switch (shift lever assembly) ECM	Comes on	DTC stored	SAE Code: P0705

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

MIL

Memory

Note

P070513

Transmission Range Sensor "A" Circuit Open

All switches are off simultaneously for NSW, P, R, N and D for 1 minute or more (2 trip detection logic).

Open or short in park/neutral position switch assembly circuit
Park/neutral position switch assembly
ECM

Comes on

DTC stored

SAE Code: P0705

P070562

Transmission Range Sensor "A" Signal Compare Failure

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

A. One of the following conditions (a), (b) or (c) is met for 2 seconds or more:

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

P input signal
R input signal
D input signal

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

N input signal
R input signal
D input signal

NSW input signal
R input signal
D input signal

B. Any of the following conditions is met for 2 seconds or more with the shift lever in M:

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

Open or short in park/neutral position switch assembly circuit
Park/neutral position switch assembly
Open or short in transmission control switch circuit
Transmission control switch (shift lever assembly)
ECM

Comes on

DTC stored

SAE Code: P0705

MONITOR DESCRIPTION

These DTCs indicate a problem with the park/neutral position switch assembly and the wire harness in the park/neutral position switch assembly 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 M). 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 then illuminate the MIL and store a DTC.

MONITOR STRATEGY

Related DTCs	P0705: Transmission range switch verify switch input
Required Sensors/Components (Main)	Park/Neutral position switch assembly
Required Sensors/Components (Related)	-
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	-
Battery voltage	8 V or higher
Engine switch	On (IG)
Starter	Off

Case 3

Monitor runs whenever the following DTCs are not stored	None
All of the following conditions are met	-
Battery voltage	8 V or higher
Engine switch	On (IG)
Starter	Off
One of the following conditions is met	(a), (b), (c) or (d)
(a) Park position switch	On
(b) Neutral position switch	On
(c) Park/Neutral position switch	On
(d) R range position switch	On

TYPICAL MALFUNCTION THRESHOLDS

Case 1

Any two of the following conditions are met	1, 2 and 3
1. 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
2. R range position switch	On
3. 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

M range position switch

CONFIRMATION DRIVING PATTERN

HINT:

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
When clearing the permanent DTCs, refer to the "CLEAR PERMANENT DTC" procedure.
Click here

Connect the Techstream to the DLC3.
Turn the engine switch on (IG).
Turn the Techstream on.
Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
Turn the engine switch off and wait for at least 30 seconds.
Turn the engine switch on (IG) [A].
Turn the Techstream on.
Move the shift lever to R and wait 2 seconds or more [B].
Move the shift lever to N and wait 2 seconds or more [C].
Move the shift lever to D and wait 2 seconds or more [D].
Move the shift lever to M and wait 2 seconds or more [E].
Move the shift lever to P and wait 2 seconds or more [F].
Wait 1 minute or more [G].
Enter the following menus: Powertrain / Engine / Trouble Codes [H].
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.
Enter the following menus: Powertrain / Engine / Utility / All Readiness.
Input the DTC: P070513 or P070562.

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

HINT:

If the judgment result is NORMAL, the system is normal.
If the judgment result is ABNORMAL, the system is malfunctioning.
If the judgment result is INCOMPLETE, perform steps [B] through [H] again.
[A] to [H]: Normal judgment procedure.
The normal judgment procedure is used to complete DTC judgment and also used when clearing permanent DTCs.
When clearing the permanent DTCs, do not disconnect the cable from the battery terminal or attempt to clear the DTCs during this procedure, as doing so will clear the universal trip and normal judgment histories.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following 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 be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

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 engine switch off.

(d) Turn the engine switch on (IG).

(e) Turn the Techstream on.

(f) Enter the following menus: Powertrain / Engine / Data List / Shift SW Status (P Range), Shift SW Status (R Range), Shift SW Status (N Range), Shift SW Status (S Range) and Shift SW Status (D Range).

Powertrain > Engine > Data List

Tester Display
Shift SW Status (P Range)
Shift SW Status (R Range)
Shift SW Status (N Range)
Shift SW Status (S Range)
Shift SW Status (D Range)

(g) Read the values displayed on the Techstream.

Techstream Display	Measurement Item/Range	Normal Condition	Diagnostic Note
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	-
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	-
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	-
Shift SW Status (S Range)	Transmission control switch status: ON or OFF	ON: Shift lever in M OFF: Shift lever not in M	-
Shift SW Status (D Range)	Park/Neutral position switch assembly status: ON or OFF	ON: Shift lever in D or M OFF: Shift lever not in D or M	-

PROCEDURE

1.	READ VALUE USING TECHSTREAM (NEUTRAL POSITION SW AND SHIFT SW STATUS)

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Powertrain / Engine / Data List / Neutral Position SW and Shift SW Status (P, R, N and D Range).

Powertrain > Engine > Data List

Tester Display
Neutral Position SW
Shift SW Status (P Range)
Shift SW Status (R Range)
Shift SW Status (N Range)
Shift SW Status (D Range)

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

OK:

Techstream Display	Shift Lever Position	Specified Condition
Neutral Position SW	P or N	ON
Neutral Position SW	Except P or N	OFF
Shift SW Status (P Range)	P	ON
Shift SW Status (P Range)	Except P	OFF
Shift SW Status (R Range)	R	ON
Shift SW Status (R Range)	Except R	OFF
Shift SW Status (N Range)	N	ON
Shift SW Status (N Range)	Except N	OFF
Shift SW Status (D Range)	D or M	ON
Shift SW Status (D Range)	Except D or M	OFF

GO TO STEP 6

2.	READ VALUE USING TECHSTREAM (SHIFT SW STATUS (S RANGE))

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(d) Enter the following menus: Powertrain / Engine / Data List / Shift SW Status (S Range).

Powertrain > Engine > Data List

Tester Display
Shift SW Status (S Range)

(e) Read the Data List displayed on the Techstream.

OK:

Techstream Display	Shift Lever Position	Specified Condition
Shift SW Status (S Range)	M	ON
Shift SW Status (S Range)	Except M	OFF

CHECK FOR INTERMITTENT PROBLEMS

3.	INSPECT TRANSMISSION FLOOR SHIFT ASSEMBLY (TRANSMISSION CONTROL SWITCH)

(a) Inspect the transmission control switch.

for 2WD models: Click here
for AWD models: Click here

REPLACE TRANSMISSION FLOOR SHIFT ASSEMBLY (TRANSMISSION CONTROL SWITCH)

4.	CHECK TERMINAL VOLTAGE (POWER SOURCE OF TRANSMISSION CONTROL SWITCH)

*a	Front view of wire harness connector (to Transmission Control Switch)

(a) Disconnect the transmission control switch connector.

(b) Turn the engine switch on (IG).

Standard Voltage:

Tester Connection	Condition	Specified Condition
J21-4 (IG) - Body ground	Engine switch on (IG)	11 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.	CHECK HARNESS AND CONNECTOR (TRANSMISSION CONTROL SWITCH - ECM)

(a) Disconnect the transmission control switch connector.

(b) Disconnect the ECM connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
J21-5 (S) - A37-17 (S)	Always	Below 1 Ω
J21-5 (S) or A37-17 (S) - Body ground and other terminals	Always	10 kΩ or higher

REPLACE ECM

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.	CHECK TERMINAL VOLTAGE (POWER SOURCE OF PARK/NEUTRAL POSITION SWITCH ASSEMBLY)

*a	Front view of wire harness connector (to Park/Neutral Position Switch Assembly)

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

(b) Turn the engine switch on (IG).

Standard Voltage:

Tester Connection	Condition	Specified Condition
D15-1 (RB) - Body ground	Engine switch on (IG)	11 to 14 V

REPAIR OR REPLACE HARNESS OR CONNECTOR (PARK/NEUTRAL POSITION SWITCH ASSEMBLY POWER SOURCE CIRCUIT)

7.	INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

(a) Inspect the park/neutral position switch assembly.

for 2WD models: Click here
for AWD models: Click here

REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

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

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

(b) Disconnect the ECM connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
D15-4 (B) - D2-106 (NSW)	Always	Below 1 Ω
D15-7 (DL) - D2-139 (D)	Always	Below 1 Ω
D15-8 (NL) - D2-140 (N)	Always	Below 1 Ω
D15-2 (RL) - D2-107 (R)	Always	Below 1 Ω
D15-3 (PL) - D2-108 (P)	Always	Below 1 Ω
D15-4 (B) or D2-106 (NSW) - Body ground and other terminals	Always	10 kΩ or higher
D15-7 (DL) or D2-139 (D) - Body ground and other terminals	Always	10 kΩ or higher
D15-8 (NL) or D2-140 (N) - Body ground and other terminals	Always	10 kΩ or higher
D15-2 (RL) or D2-107 (R) - Body ground and other terminals	Always	10 kΩ or higher
D15-3 (PL) or D2-108 (P) - Body ground and other terminals	Always	10 kΩ or higher

REPLACE ECM

REPAIR OR REPLACE HARNESS OR CONNECTOR

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