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:
Accumulator Pressure Sensor (C1365)
DESCRIPTION The accumulator pressure sensor is built into the brake actuator (brake booster with master cylinder assembly). The skid control ECU (brake booster with master cylinder assembly) detects the accumulator pressure from the data sent from the accumulator pressure sensor, and then starts and
Drive Motor "B" Position Sensor Circuit Range / Performance (P0A46-120)
DTC SUMMARY MALFUNCTION DESCRIPTION This DTC indicates that an overvoltage in the inverter has occurred. The cause of this malfunction may be one of the following: Internal inverter malfunction
Internal circuit malfunction in the inverter for the rear motor
Rear traction motor with transaxle
