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. |
|
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:
Center Airbag Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Center Airbag Sensor Communication Stop Mode Any of the following conditions are met:
Communication stop for "Airbag" is indicated on the "Communication Bus Check" screen of the Techstream.
Click here
Communication system DTCs (DT
Reassembly
REASSEMBLY 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. INSTALL REAR LIGHT SOCKET AND WIRE LH (a) Attach the wire harness clamp and connect the connector to install the rear light socket and wire LH.
