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:

 System Description

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 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U013187,U015587,U029387)

DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U012587 Lost Communication With Multi-axis Acceleration Sensor Module Missing Message 3 seconds after the power switch is t

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