Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY

NOTICE:

  • Do not remove the steering sensor from the spiral with sensor cable sub-assembly.
  • As the spiral with sensor cable sub-assembly may break, do not rotate the spiral with sensor cable sub-assembly more than the specified amount.

(a) Visually check for defects with the spiral with sensor cable sub-assembly.

(1) The defects are as follows:

  • Scratches
  • Small cracks
  • Dents
  • Chips
  • Cracks or other damage to the connector

OK:

No defects are found.

If any of the defects is found, replace the spiral with sensor cable sub-assembly with a new one.

(b) Check the spiral with sensor cable sub-assembly.

*A

w/ Steering Heater, w/ Steering Vibration

*B

w/ Steering Heater, w/o Steering Vibration

*a

Component without harness connected

(Spiral Cable sub-assembly)

*b

Color: Light Green

*c

Color: Black

-

-

Interlock

-

-

NOTICE:

When rotating the spiral with sensor cable sub-assembly, make sure to push on the interlock indicated in the illustration to release the interlock mechanism.

(1) Set the spiral with sensor cable sub-assembly to the center position.

Click here

(2) Measure the resistance between each terminal of the spiral with sensor cable sub-assembly according to the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

*A: w/ Steering Heater, w/o Steering Vibration

*B: w/ Steering Heater, w/ Steering Vibration

A-1 (D+) - B-2

Always

Below 1 Ω

A-2 (D-) - B-1

Always

Below 1 Ω

A-3 (D2-) - C-1

Always

Below 1 Ω

A-4 (D2+) - C-2

Always

Below 1 Ω

D-1 (SDN) - F-3

Always

3 Ω or less

D-2 (ECC) - F-4

Always

3 Ω or less

D-3 (EAU) - E-8

Always

3 Ω or less

D-5 (AU2) - E-10

Always

3 Ω or less

D-6 (AU1) - E-11

Always

3 Ω or less

D-7 (CCS) - E-12

Always

3 Ω or less

D-8 (SUP) - F-1

Always

3 Ω or less

D-10 (+DP) - E-2

Always

3 Ω or less

D-11 (+DP2) - E-3

Always

3 Ω or less

D-12 (DIST) - E-4

Always

3 Ω or less

D-13 (IL+2) - E-5

Always

3 Ω or less

D-14 (HO) - E-6

Always

3 Ω or less

G-1 (BTM) - I-1*A

Always

Below 0.1 Ω

G-2 (EHT) - I-3*A

Always

Below 0.1 Ω

G-3 (ETM) - I-2*A

Always

Below 0.1 Ω

G-4 (BHT) - I-4*A

Always

Below 0.1 Ω

G-1 (BTM) - H-2*B

Always

Below 0.1 Ω

G-2 (EHT) - H-1*B

Always

Below 0.1 Ω

G-3 (ETM) - H-3*B

Always

Below 0.1 Ω

G-4 (BHT) - H-4*B

Always

Below 0.1 Ω

(3) After setting the spiral with sensor cable sub-assembly to the center position, rotate the spiral with sensor cable sub-assembly 2.5 times clockwise, and measure the resistance as shown in the table below. Then rotate the spiral with sensor cable sub-assembly 5 times counterclockwise, and measure the resistance as shown in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

*A: w/ Steering Heater, w/o Steering Vibration

*B: w/ Steering Heater, w/ Steering Vibration

A-1 (D+) - B-2

Always

Below 1 Ω

A-2 (D-) - B-1

Always

Below 1 Ω

A-3 (D2-) - C-1

Always

Below 1 Ω

A-4 (D2+) - C-2

Always

Below 1 Ω

D-1 (SDN) - F-3

Always

3 Ω or less

D-2 (ECC) - F-4

Always

3 Ω or less

D-3 (EAU) - E-8

Always

3 Ω or less

D-5 (AU2) - E-10

Always

3 Ω or less

D-6 (AU1) - E-11

Always

3 Ω or less

D-7 (CCS) - E-12

Always

3 Ω or less

D-8 (SUP) - F-1

Always

3 Ω or less

D-10 (+DP) - E-2

Always

3 Ω or less

D-11 (+DP2) - E-3

Always

3 Ω or less

D-12 (DIST) - E-4

Always

3 Ω or less

D-13 (IL+2) - E-5

Always

3 Ω or less

D-14 (HO) - E-6

Always

3 Ω or less

G-1 (BTM) - I-1*A

Always

Below 0.1 Ω

G-2 (EHT) - I-3*A

Always

Below 0.1 Ω

G-3 (ETM) - I-2*A

Always

Below 0.1 Ω

G-4 (BHT) - I-4*A

Always

Below 0.1 Ω

G-1 (BTM) - H-2*B

Always

Below 0.1 Ω

G-2 (EHT) - H-1*B

Always

Below 0.1 Ω

G-3 (ETM) - H-3*B

Always

Below 0.1 Ω

G-4 (BHT) - H-4*B

Always

Below 0.1 Ω

(4) After setting the spiral with sensor cable sub-assembly to the center position, rotate the spiral with sensor cable sub-assembly 2.5 times clockwise. Then while rotating the spiral with sensor cable sub-assembly 5 times counterclockwise, measure the resistance as shown in the table below.

If the result is not as specified, replace the spiral with sensor cable sub-assembly.

Standard Resistance:

Tester Connection

Condition

Specified Condition

*A: w/ Steering Heater, w/o Steering Vibration

*B: w/ Steering Heater, w/ Steering Vibration

A-1 (D+) - B-2

Always

Below 1 Ω

A-2 (D-) - B-1

Always

Below 1 Ω

A-3 (D2-) - C-1

Always

Below 1 Ω

A-4 (D2+) - C-2

Always

Below 1 Ω

D-1 (SDN) - F-3

Always

3 Ω or less

D-2 (ECC) - F-4

Always

3 Ω or less

D-3 (EAU) - E-8

Always

3 Ω or less

D-5 (AU2) - E-10

Always

3 Ω or less

D-6 (AU1) - E-11

Always

3 Ω or less

D-7 (CCS) - E-12

Always

3 Ω or less

D-8 (SUP) - F-1

Always

3 Ω or less

D-10 (+DP) - E-2

Always

3 Ω or less

D-11 (+DP2) - E-3

Always

3 Ω or less

D-12 (DIST) - E-4

Always

3 Ω or less

D-13 (IL+2) - E-5

Always

3 Ω or less

D-14 (HO) - E-6

Always

3 Ω or less

G-1 (BTM) - I-1*A

Always

Below 0.1 Ω

G-2 (EHT) - I-3*A

Always

Below 0.1 Ω

G-3 (ETM) - I-2*A

Always

Below 0.1 Ω

G-4 (BHT) - I-4*A

Always

Below 0.1 Ω

G-1 (BTM) - H-2*B

Always

Below 0.1 Ω

G-2 (EHT) - H-1*B

Always

Below 0.1 Ω

G-3 (ETM) - H-3*B

Always

Below 0.1 Ω

G-4 (BHT) - H-4*B

Always

Below 0.1 Ω

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