Lexus NX: Radio Receiver Power Source Circuit

DESCRIPTION

This is the power source circuit to operate the radio receiver assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • When replacing the radio receiver assembly, always replace it with a new one.

    If a radio receiver assembly which was installed to another vehicle is used, the following may occur:

    • A communication malfunction DTC may be stored.
    • The radio receiver assembly may not operate normally.

HINT:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

Click here

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND)

(a) Disconnect the I151 and I152 radio receiver assembly connectors.

*a

Front view of wire harness connector

(to Radio Receiver Assembly)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

I151-1 (GND1) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

I151-4 (+B1) - I151-1 (GND1)

Power switch off

11 to 14 V

I151-15 (ACC1) - I151-1 (GND1)

Power switch on (ACC)

11 to 14 V

I152-19 (IG) - I151-1 (GND1)

Power switch on (IG)

11 to 14 V

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

READ NEXT:

 Back Door Speaker

 Components

COMPONENTS ILLUSTRATION *A w/o Power Back Door *B w/ Power Back Door *C for 10 Speakers *D for 14 Speakers *1 BACK DOOR CENTER GARNISH *2 BACK DOOR FINISH COVER LH *3

 Removal

REMOVAL PROCEDURE 1. REMOVE BACK DOOR CENTER GARNISH Click here 2. REMOVE BACK DOOR SIDE GARNISH LH Click here 3. REMOVE BACK DOOR SIDE GARNISH RH Click here 4. REMOVE BACK DOOR TRIM BASE (w/

SEE MORE:

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA HINT: If a DTC is output, the freeze frame data is recorded when the DTC occurs. If freeze frame data is recorded when a DTC occurs, the freeze frame data is not cleared or updated until the recorded DTC is cleared. (a) Using the Techstream, the condition

 Operation Check

OPERATION CHECK INPUT SIGNAL CHECK (a) Connect the Techstream to the DLC3. (b) Check the cruise control main switch using the Data List function of the Techstream (ON-OFF, -SET, +RES and CANCEL). *a +RES *b -SET *c ON-OFF *d CANCEL Click here INSPECT CRUISE CONTROL MAIN

© 2016-2024 Copyright www.lexunx.com