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:

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