Lexus NX: Slip Indicator Light does not Come ON
DESCRIPTION
The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication.
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake booster with master cylinder assembly), perform initialization and calibration of the linear solenoid valve.
Click here .gif)
PROCEDURE
| 1. | CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output.
Click here
| Result | Proceed to |
|---|---|
| DTCs are not output. | A |
| DTCs are output. | B |
| B | .gif) | INSPECT CAN COMMUNICATION SYSTEM |
|
.gif)
| 2. | PERFORM ACTIVE TEST USING TECHSTREAM (SLIP INDICATOR LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Select the Active Test on the Techstream.
Click here
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| Slip Indicator Light | Slip indicator light | Indicator light ON/OFF | Observe combination meter assembly |
(d) Select the Data List on the Techstream.
Click here
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Slip Indicator Light | Slip indicator light | ON or OFF | ON: Indicator light on OFF: Indicator light off | - |
| Active Test Display |
|---|
| Slip Indicator Light |
| Data List Display |
|---|
| Slip Indicator Light |
(e) Check the operating condition of the slip indicator light when operating it using the Techstream.
| Result | Proceed to |
|---|---|
| Slip indicator light in the Data List does not change using the Active Test. | A |
| Slip indicator light in the Data List turns ON/OFF using the Active Test. | B |
| A | | REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY |
|
| 3. | INSPECT COMBINATION METER ASSEMBLY |
(a) Turn the power switch off.
(b) Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream.
Click here
| Tester Display |
|---|
| Indicat. Lamp Slip |
(c) Check the combination meter assembly.
OK:
The slip indicator light turns on or off in accordance with the Techstream operation.
| OK | | REPLACE BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY |
| NG | | INSPECT METER / GAUGE SYSTEM |
READ NEXT:
VSC OFF Switch Circuit
DESCRIPTION The skid control ECU assembly is connected to the combination meter assembly via CAN communication. Pressing the VSC OFF switch turns off TRAC operation, and pressing and holding this swit
Components
COMPONENTS ILLUSTRATION *A w/ AVS - - *1 FRONT SKID CONTROL SENSOR WIRE LH *2 FRONT SPEED SENSOR LH N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *A
SEE MORE:
Engine Oil Cooler
ComponentsCOMPONENTS ILLUSTRATION *1 OIL COOLER ASSEMBLY *2 GASKET *3 SEAL WASHER *4 UNION BOLT N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part RemovalREMOVAL PROCEDURE 1. REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY Click here 2. DRAIN ENGINE OI
Rear Occupant Classification Sensor LH Collision Detection (B1787)
DESCRIPTION DTC B1787 is stored when the occupant detection ECU receives a collision detection signal, which is sent by the rear occupant classification sensor LH when an accident occurs. DTC B1787 is also stored when the front seat adjuster assembly RH is subjected to a strong impact, even if an ac
