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:

 Drive Motor "B" Position Sensor Circuit Range / Performance (P0A46-120)

DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that an overvoltage in the inverter has occurred. The cause of this malfunction may be one of the following: Internal inverter malfunction Internal circuit malfunction in the inverter for the rear motor Rear traction motor with transaxle

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN MOTOR (a) Disconnect the cooling fan motor connector. (b) Check that the fan rotates smoothly by hand. (c) Check that the cooling fan motor turns smoothly when the battery is connected to the cooling fan motor connector. Click here

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