Lexus NX: On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to follow the correct removal and installation procedures of the occupant classification ECU.
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
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2. INSPECT OCCUPANT DETECTION ECU (Vehicle Involved in Collision and Airbag not Deployed)
(a) Perform a diagnostic system check.
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(b) Visually check for defects with the occupant classification ECU installed on the vehicle.
(1) The defects are as follows:
- Cracks on the ECU housing
- Dents on the ECU housing
- Chips on the ECU housing
- Cracks or other damage to the connector
- Damage to the serial number
OK:
No defects are found.
HINT:
If any of the defects is found, replace the occupant classification ECU with a new one.
3. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision and Airbag is Deployed)
(a) Perform a diagnostic system check.
Click here
(b) Visually check for defects with the occupant classification ECU installed on the vehicle.
(1) The defects are as follows:
- Cracks on the ECU housing
- Dents on the ECU housing
- Chips on the ECU housing
- Cracks or other damage to the connector
-
Damage to the serial number
OK:
No defects are found.
HINT:
If any of the defects is found, replace the occupant classification ECU with a new one.
READ NEXT:
Removal
REMOVAL PROCEDURE 1. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY Click here 2. REMOVE REAR DECK FLOOR BOX Click here 3. REMOVE DECK FLOOR BOX LH Click here 4. PRECAUTION CAUTION: Be sure to read Precau
Installation
INSTALLATION PROCEDURE 1. INSTALL OCCUPANT DETECTION ECU (a) Attach the claw to install the occupant detection ECU. NOTICE: If the occupant detection ECU has been dropped, or there are any cracks, den
SEE MORE:
Low Output Signal of Rear Speed Sensor RH (C1273,C1274,C1466,C1467)
DESCRIPTION Each speed sensor detects the wheel speed and sends the signals to the skid control ECU (brake booster with master cylinder assembly). These signals are used for ABS control. DTCs C1273 and C1274 are cleared when the speed sensor sends a wheel speed signal or when Test Mode ends. DTCs C1
Main Body ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Main Body ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Main Body" is indicated on the "Communication Bus Check" screen of the Techstream.
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Communication system DTCs (DTCs t
