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:
Transmission Fluid Temperature Sensor "B" Circuit Short to Ground (P274011)
DESCRIPTION
The No. 2 ATF temperature sensor is installed in the transmission valve body
assembly.
If the ECM detects an abnormally high ATF temperature near this sensor, it illuminates
the warning indicator.
HINT:
The temperature of ATF easily rises when towing, climbing hills, in
...
Center Airbag Sensor Assembly
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AIRBAG SENSOR ASSEMBLY (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (See page
).
2. INSPECT AIRBAG SENSOR ASSEMBLY (for Vehicle Involved in Collision a ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine ...