Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT SHIFT LOCK CONTROL ECU

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

5 (IG) - Body ground

Power switch on (IG)

11 to 14 V

Power switch off

Below 1 V

4 (STP) - Body ground

Brake pedal depressed

11 to 14 V

Brake pedal released

Below 1 V

HINT:

Do not disconnect the shift lock control unit assembly connector.

If the result is not as specified, replace the shift lock control unit assembly.

*a

Front view of wire harness connector

(Shift Lock Control ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

1 (E) - Body ground

Always

Below 1 Ω

HINT:

Do not disconnect the shift lock control unit assembly connector.

If the result is not as specified, replace the shift lock control unit assembly.

2. INSPECT TRANSMISSION CONTROL SWITCH

(a) Disconnect the shift lock solenoid connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

4 (IG) - 5 (S)

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

Below 1 Ω

1 (SFTD) - 2 (E)

Shift lever held in "-" (Down-shift)

Below 1 Ω

3 (SFTU) - 2 (E)

Shift lever held in "+" (Up-shift)

Below 1 Ω

4 (IG) - 5 (S)

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

10 kΩ or higher

1 (SFTD) - 2 (E)

Shift lever in S

10 kΩ or higher

3 (SFTU) - 2 (E)

Shift lever in S

10 kΩ or higher

If the result is not as specified, replace the shift lock control unit assembly.

*a

Component without harness connected

(Transmission Control Switch)

READ NEXT:

 Reassembly

REASSEMBLY PROCEDURE 1. INSTALL SHIFT POSITION INDICATOR (a) Install the shift position indicator to the rear upper console panel sub-assembly with the 2 screws. 2. INSTALL SHIFTING HOL

 Installation

INSTALLATION PROCEDURE 1. INSTALL SHIFT LEVER ASSEMBLY (a) Temporarily install the shift lever assembly with the 4 bolts. (b) Tighten the bolts in the order shown in the illustration. Torque: 12 N

 Shift Lever Position Sensor

SEE MORE:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Chassis / Lane Control / Trouble Codes. (e) Check for details of the DTCs. Click here Chassis > Lane Control > Trouble Codes Te

 Freeze Frame Data

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