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:
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Automatic Transmission
*B
for Manual Transmission
*C
for 4WD
-
-
*1
FRONT SPEED SENSOR LH
*2
FRONT SPEED SENSOR RH
...
Route cannot be Calculated
PROCEDURE
1.
SET DESTINATION
(a) Set another destination and check if the system can calculate the route correctly.
OK:
Route can be correctly calculated.
OK
NORMAL OPERATION
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN ...
Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION
When the air conditioning amplifier assembly is turned on, a magnetic clutch
on signal is sent from the MGC terminal of the air conditioning amplifier assembly.
Then, the MG CLT relay turns on to operate the magnetic clutch assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NO ...