Lexus NX: Inspection

INSPECTION

PROCEDURE

1. INSPECT NAVIGATION ANTENNA ASSEMBLY

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

Standard Resistance:

Tester Antenna

Tester Connection

Condition

Specified Condition

Navigation antenna

1 - 2

Always

50 to 500 Ω

LTE sub-anntenna

3 - 4

5 Ω

If the result is not as specified, replace the navigation antenna assembly.

*a

Component without harness connected

(Navigation Antenna Assembly)

*b

Navigation Antenna

*c

LTE sub-antenna

2. INSPECT ANTENNA CORD SUB-ASSEMBLY

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

*a

Component without harness connected

(Antenna Cord Sub-assembly)

-

-

*c

Navigation Antenna

-

-

Standard Resistance:

Tester Connection

Condition

Specified Condition

A-1 - B-1

Always

Below 1 Ω

A-2 - B-2

Always

Below 1 Ω

A-3 - B-3

Always

Below 1 Ω

A-4 - B-4

Always

Below 1 Ω

If the result is not as specified, replace the antenna cord sub-assembly.

READ NEXT:

 Installation

INSTALLATION PROCEDURE 1. INSTALL NAVIGATION ANTENNA ASSEMBLY 2. INSTALL NAVIGATION ANTENNA BRACKET (a) Attach the 4 guides to install the navigation antenna assembly as shown in the illustration.

 Navigation Ecu

ComponentsCOMPONENTS ILLUSTRATION *1 NAVIGATION ECU *2 NO. 1 RADIO BRACKET *3 NO. 2 RADIO BRACKET *4 RADIO RECEIVER ASSEMBLY WITH BRACKET *5 NAVIGATION WIRE - - Remo

 Navigation System

SEE MORE:

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check main body ECU (multiplex network body ECU) (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Enter the following menus: Body Electrical / Main Body / Trouble Codes. (5) Check for DTCs. Body Electrical >

 Terminals Of Ecu

TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the P44 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition P44-1 (+B) - P44-4 (GND1

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