Lexus NX: Radio Receiver Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the radio receiver assembly.
WIRING DIAGRAM
.png)
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 Navigation System.
Click here .gif)
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - BATTERY AND BODY GROUND) |
| (a) Disconnect the I151 and I152 radio receiver assembly connectors. |
|
.png)
(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 | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified
Removal
REMOVAL PROCEDURE 1. REMOVE DECK BOARD ASSEMBLY Click here 2. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 3. REMOVE REAR DECK FLOOR BOX Click here 4. REMOVE DECK FLOOR BOX LH Click here 5.
SEE MORE:
Inspection
INSPECTION PROCEDURE 1. INSPECT NO. 3 BATTERY SERVICE COVER BOARD (a) Inspect the No. 3 battery service cover board. (1) Visually inspect the filter. Standard: No deformation or cracks. If the result is not as specified, replace the No. 3 battery service cover board. (2) Clean the filter. Standa
Adjustment
ADJUSTMENT CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. PREPARE VEHICLE FOR FOG LIGHT AIM ADJUSTMENT (a) Prepare the vehicle:
Ensure that there is no damage or deformation to the vehicle body arou
