Lexus ES: Position Initialization Incomplete (Fr Shade) (B2348)
DESCRIPTION
This DTC is stored when the roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2348 | Position Initialization Incomplete (Fr Shade) | Roof sunshade ECU (sliding roof drive gear assembly) has not been initialized. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
-
When the roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly) must be initialized.
Click here
.gif)
-
The panoramic moon roof system uses the CAN and LIN communication system. First, confirm that there are no malfunctions in the CAN and LIN communication system. Refer to How to Proceed with Troubleshooting.
Click here
HINT:
When DTC B2342 and B2348 are output simultaneously, perform troubleshooting for DTC B2342 first.
PROCEDURE
| 1. | INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
(a) Check that the roof sunshade ECU (sliding roof drive gear assembly) can be initialized.
Click here
OK:
Roof sunshade ECU (sliding roof drive gear assembly) can be initialized.
| NG | .gif) | REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
|
.gif)
| 2. | CHECK ROOF SUNSHADE OPERATION |
(a) Check the roof sunshade auto operation function.
Click here
OK:
Auto operation function operates normally.
| NG | | REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
|
| 3. | CHECK DTC OUTPUT |
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble CodesOK:
DTC B2343 is not output.
| OK | | END (MALFUNCTION DUE TO INITIALIZATION FAILURE) |
| NG | | REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) |
READ NEXT:
Motor Control Relay Stuck ON (Fr Shade) (B234A)
DESCRIPTION This DTC will be stored if the operation of the front roof sunshade is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off. DTC No. Detection Item D
Remote Control System does not Operate
DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or wireless transmitter. Then, the main body ECU (multiplex network body EC
Key-off Operation Function Operates even if Operating Conditions are not Satisfied
DESCRIPTION According to the panoramic moon roof switch (map light sub-assembly) operation, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assemb
SEE MORE:
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis
