Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

(a) w/o Auto Wiper System:

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

Standard Resistance:

Front Wiper Switch

Tester Connection

Condition

Specified Condition

I125-2 (+B) - I125-3 (+1)

MIST

Below 1 Ω

I125-3 (+1) - I125-1 (+S)

OFF

I125-3 (+1) - I125-1 (+S)

INT

I125-2 (+B) - I125-3 (+1)

LO

I125-2 (+B) - I125-4 (+2)

HI

Front Washer Switch

Tester Connection

Condition

Specified Condition

I124-4 (EW) - I124-7 (WF)

ON

Below 1 Ω

I125-5 (WR) - I125-10 (+B2)

I124-4 (EW) - I124-7 (WF)

OFF

10 kΩ or higher

I125-5 (WR) - I125-10 (+B2)

Rear Wiper Switch

Tester Connection

Condition

Specified Condition

I124-2 (C1R) - I124-4 (EW)

OFF

10 kΩ or higher

I124-3 (+1R) - I124-4 (EW)

I124-2 (C1R) - I124-4 (EW)

INT

Below 1 Ω

I124-3 (+1R) - I124-4 (EW)

ON

Rear Washer Switch

Tester Connection

Condition

Specified Condition

I124-4 (EW) - I125-5 (WR)

ON

Below 1 Ω

I124-7 (WF) - I125-10 (+B2)

I124-4 (EW) - I125-5 (WR)

OFF

10 kΩ or higher

I124-7 (WF) - I125-10 (+B2)

If the result is not as specified, replace the windshield wiper switch assembly.

*a

Component without harness connected

(Windshield Wiper Switch Assembly)

(b) w/ Auto Wiper System:

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

If the result is not as specified, replace the windshield wiper switch assembly.

Standard Resistance:

Front Wiper Switch

Tester Connection

Condition

Specified Condition

I125-2 (+B) - I125-3 (+1)

MIST

Below 1 Ω

I125-3 (+1) - I125-1 (+S)

OFF

I125-3 (+1) - I125-1 (+S)

AUTO

I125-8 (AUTO) - I125-9 (E)

I125-2 (+B) - I125-3 (+1)

LO

I125-2 (+B) - I125-4 (+2)

HI

Front Washer Switch

Tester Connection

Condition

Specified Condition

I124-4 (EW) - I124-7 (WF)

ON

Below 1 Ω

I125-5 (WR) - I125-10 (+B2)

I124-4 (EW) - I124-7 (WF)

OFF

10 kΩ or higher

I125-5 (WR) - I125-10 (+B2)

Rear Wiper Switch

Tester Connection

Condition

Specified Condition

I124-2 (C1R) - I124-4 (EW)

OFF

10 kΩ or higher

I124-3 (+1R) - I124-4 (EW)

I124-2 (C1R) - I124-4 (EW)

INT

Below 1 Ω

I124-3 (+1R) - I124-4 (EW)

ON

Rear Washer Switch

Tester Connection

Condition

Specified Condition

I124-4 (EW) - I125-5 (WR)

ON

Below 1 Ω

I124-7 (WF) - I125-10 (+B2)

I124-4 (EW) - I125-5 (WR)

OFF

10 kΩ or higher

I124-7 (WF) - I125-10 (+B2)

Adjusting Ring*

Tester Connection

Condition

Specified Condition

I125-6 (VR2) - I125-7 (VR1)

P1

209 to 231 Ω

P2

114 to 126 Ω

P3

58.9 to 65.1 Ω

P4

Below 1 Ω

*a

Component without harness connected

(Windshield Wiper Switch Assembly)

*b

Windshield Wiper Switch Assembly

(Adjusting Ring Position)

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY (a) Attach the claw to install the windshield wiper switch assembly. (b) Connect each connector. 2. INSTALL UPPER STEERING COLUMN COV

 Vehicle Interior

 Door Lock

SEE MORE:

 Inspection

INSPECTION PROCEDURE 1. INSPECT CLOCK ASSEMBLY (a) Check the illumination. Apply auxiliary battery voltage to the connector and check the illumination condition. OK: Measurement Condition Specified Condition Auxiliary battery positive (+) → Terminal 6 (ILL+) Auxiliary battery positive

 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: Powertrain / Radar Cruise1*1 or Radar Cruise2*2 / Trouble Codes. Powertrain > Radar Cruise1 > Trouble Codes Powertrain > Radar Cr

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