Lexus NX manuals

Lexus NX: Inspection

Lexus NX Service Manual / Drivetrain / P314 (hybrid Transmission / Transaxle) / Shift Lever / 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)

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