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:
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 1 HEATER TO REGISTER DUCT SUB-ASSEMBLY (a) Remove the 3 screws <A> or <B> and No. 1 heater to register duct sub-assembly. *a Screw <A> or <B> 2. REMOVE NO. 2 HEATER TO REGISTER DUCT SUB-ASSEMBLY (a) Remove the
Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU
DESCRIPTION This circuit includes the navigation ECU and radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disconnect the I153 radio receiver assembly connector. (b) Disconnect the I173 navigation ECU
