Toyota Tacoma (2015-2018) Service Manual: Position Initialization Incomplete (B2343)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B2343 |
Sliding roof ECU (sliding roof drive gear sub-assembly) has not been initialized. |
Sliding roof ECU (Sliding roof drive gear sub-assembly) |
WIRING DIAGRAM
Refer to DTC B2341 (See page .gif)
).
CAUTION / NOTICE / HINT
NOTICE:
- When DTC B2342 and B2343 are output simultaneously, perform troubleshooting for DTC B2342 first.
- When the sliding roof ECU (sliding roof drive gear sub-assembly) is
removed and reinstalled or replaced, it requires initialization (See page
).
- The sliding roof system uses the CAN and LIN communication systems.
First, confirm that there are no malfunctions in the CAN and LIN communication
systems. Refer to the How to Proceed with Troubleshooting procedure (See
page ).
PROCEDURE
|
1. |
INITIALIZE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
(a) Check that the sliding roof ECU (sliding roof drive gear sub-assembly) can
be initialized (See page ).
OK:
Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.
| NG | .gif) |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
.gif)
|
2. |
CHECK SLIDING ROOF OPERATION |
(a) Check the sliding roof auto operation (See page
).
OK:
Auto operation operates normally.
| NG | |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
|
|
3. |
CHECK DTC OUTPUT |
(a) Clear the DTCs (See page ).
(b) Check for DTCs.
OK:
DTC B2343 is not output.
| OK | |
END (PROBLEM DUE TO INITIALIZATION FAILURE) |
| NG | |
REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) |
Switch Failure (B2342)
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly)
detects that the sliding roof switch is stuck for 30 seconds or more.
DTC No.
...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Sliding Roof (Sliding Roof ECU (Sliding Roof Drive Gear Sub-assembly))
DTC Code
Detection Item
See page
B2341
...
Other materials:
Disassembly
DISASSEMBLY
CAUTION / NOTICE / HINT
HINT:
The procedure described below is for the LH side. Use the same procedure for
both the LH and RH sides, unless otherwise specified.
PROCEDURE
1. REMOVE REAR SEATBACK COVER
(a) Remove the 2 screws.
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Put matchmarks on the steering intermediate shaft assembly and steering main
shaft assembly.
(b) Remove the bolt and steering intermediate shaft assembly.
2. REMOVE UPPER STEERING COLUMN BRACKET WITH SWITCH ASSEMBLY (w ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Check the DTCs.
(1) Turn the ignition switch off.
(2) Connect the Techstream to the DLC3.
(3) Turn the ignition switch to ON.
(4) Turn the Techstream on.
(5) Read the DTCs following the prompts on the Techstream screen. Enter the following
menus: Powertrai ...
