Toyota Tacoma (2015-2018) Service Manual: Position Initialization Incomplete (B2343)

Toyota Tacoma (2015-2018) Service Manual / Sliding Roof / Sliding Roof System / 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 CAUTION / NOTICE / HINT ).

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: ).

OK:

Sliding roof ECU (sliding roof drive gear sub-assembly) can be initialized.

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

2.	CHECK SLIDING ROOF OPERATION

(a) Check the sliding roof auto operation (See page OK: ).

OK:

Auto operation operates normally.

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

3.	CHECK DTC OUTPUT

(a) Clear the DTCs (See page (b) Check for DTCs. ).

(b) Check for DTCs.

OK:

DTC B2343 is not output.

END (PROBLEM DUE TO INITIALIZATION FAILURE)

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:

Multi-terrain Select Switch
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE MULTI-TERRAIN SELECT SWITCH (DRIVE MONITOR SWITCH) (a) Disengage the 2 claws to remove the multi-terrain select switch (drive monitor switch). Inspection ...

Precaution
PRECAUTION HANDLING PRECAUTION FOR CRUISE CONTROL SYSTEM (a) Turn the cruise control system off using the cruise control main switch (ON-OFF button) when not using the cruise control system. (b) Be careful as the vehicle speed increases when driving downhill with the cruise control system con ...

Transfer Shift Motor Control Circuit Circuit Open (P17A8)
DESCRIPTION This DTC is output when an open circuit in the transfer shift motor drive circuit is detected. DTC No. Detection Item DTC Detection Condition Trouble Area P17A8 Transfer Shift Motor Control Circuit Circuit Open ...