Lexus NX: Wireless Charger Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the mobile wireless charger cradle assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (MOBILE WIRELESS CHARGER CRADLE ASSEMBLY - BATTERY AND BODY GROUND)

(a) Disconnect the mobile wireless charger cradle assembly connector.

*a

Front view of wire harness connector

(to Mobile Wireless Charger Cradle Assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

K1-1 (PGND) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

K1-6 (B+) - Body ground

Power switch off

11 to 14 V

K1-5 (ACC) - Body ground

Power switch on (ACC)

11 to 14 V

Power switch off

Below 1 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Status Signal Circuit

DESCRIPTION This circuit sends a charging stop signal from the certification ECU (smart key ECU assembly) to the mobile wireless charger cradle assembly. Based on this signal, the wireless charging sy

 Pre-collision

 Pre-collision System

SEE MORE:

 Installation

INSTALLATION PROCEDURE 1. INSTALL NO. 4 DASH PANEL INSULATOR PAD (FRONT FLOOR FOOTREST) (a) Install the No. 4 dash panel insulator pad (front floor footrest) with the clip. 2. CONNECT FRONT FLOOR CARPET ASSEMBLY (a) Attach the 3 hooks and 2 fasteners to install the front floor carpet assembly.

 Parts Location

PARTS LOCATION ILLUSTRATION *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.5 FUSE - ECU-B NO.1 FUSE *2 NO. 1 ENGINE ROOM RELAY BLOCK - AMP FUSE - RADIO FUSE - METER NO.1 FUSE *3 TELEPHONE MICROPHONE ASSEMBLY *4 ROOF HEADLINING HOLDER COVER *5

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