Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT STOP LIGHT CONTROL ECU ASSEMBLY
| (a) Disconnect the stop light control ECU assembly connector. |
|
(b) Measure the voltage and resistance on the wire harness side connector according to the value (s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A3-4 (ESS1) - A3-8 (GND) | Power switch on (IG) | 11 to 14 V |
| A3-6 (+B) - A3-8 (GND) | Power switch off | 11 to 14 V |
| A3-9 (ACC) - A3-8 (GND) | Power switch on (IG) | 11 to 14 V |
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| A3-8 (GND) - Body ground | Always | Below 1 Ω |
If the result is not as specified, repair or replace the wire harness or connector.
(c) Reconnect the stop light control ECU assembly connector.
| (d) Measure the voltage according to the value (s) in the table below. Standard Voltage:
If the result is not as specified, replace the stop light control ECU assembly. |
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READ NEXT:
Removal
REMOVAL PROCEDURE 1. REMOVE DOOR SCUFF PLATE ASSEMBLY LH Click here 2. REMOVE COWL SIDE TRIM BOARD LH Click here 3. REMOVE INSTRUMENT SIDE PANEL LH Click here 4. REMOVE NO. 1 INSTRUMENT
Installation
INSTALLATION PROCEDURE 1. INSTALL STOP LIGHT CONTROL ECU ASSEMBLY (a) Attach the clamp to install the stop light control ECU assembly. (b) Connect the connector. 2. INSTALL LOWER NO. 1 INSTRUMENT PANE
SEE MORE:
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PROCEDURE 1. CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL (a) Check if track information is displayed normally on another "Bluetooth" audio compatible vehicle of the same model. OK: Track information is displayed normally. OK PROCEED TO NEXT SUSPECTED AREA
Components
COMPONENTS ILLUSTRATION *1 NO. 1 ENGINE UNDER COVER ASSEMBLY *2 REAR ENGINE UNDER COVER LH *3 REAR ENGINE UNDER COVER RH - - ILLUSTRATION *A w/o AVS *B w/ AVS *1 FRONT AXLE ASSEMBLY LH *2 FRONT AXLE SHAFT NUT LH *3 FRONT LOWER NO. 1 SUSPENSION ARM SUB
