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:
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Air Conditioning System
DTC Code
Detection Item
Memory
See page
B1412
Ambient Temperature Sensor Circuit
Memorized
(4 seconds or more)
B1413
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL AIR CONDITIONING UNIT ASSEMBLY
(a) Temporary install the air conditioning unit assembly.
(b) Insert the bracket hook into the holes of the reinforcement bracket, and
temporary install the instrument panel reinforcement assembly.
(c) Install the instrument p ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...
