B2342

SLIDING ROOF: SLIDING ROOF SYSTEM: B2342: Switch Failure
B2342 - Switch Failure

DESCRIPTION

This DTC is output when the sliding roof drive gear sub-assembly (sliding roof control ECU) detects that the OPEN, CLOSE, UP or DOWN switch in the roof console box assembly (sliding roof control switch) is stuck for 30 seconds or more.





WIRING DIAGRAM

Refer to DTC B2341 B2341.

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (SLIDE OPEN AND TILT UP SWITCH)

(a) Use the DATA LIST to check if the sliding roof switch is functioning properly.

Sliding roof ECU:





OK
Techstream displays as shown in the table according to the operation of each switch.

NG -- INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
OK -- Continue to next step.

2. CHECK SLIDING ROOF FUNCTION

(a) Check the auto operation with the OPEN, CLOSE, UP and DOWN switches On-Vehicle Inspection.

OK:

Auto operation operates normally with OPEN, CLOSE, UP and DOWN switches.

NG -- INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK -- Continue to next step.

3. DELETE DTC

(a) Delete the DTCs Diagnosis System.

NEXT -- END

4. INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)

(a) Remove the roof console box assembly.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





OK -- CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)
NG -- Continue to next step.

5. REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)

(a) Temporarily replace the roof console box assembly (sliding roof control switch) with a new one or normally functioning one Removal.

NEXT -- Continue to next step.

6. DELETE DTC

(a) Delete the DTCs Diagnosis System.

NEXT -- END

7. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)

(a) Check that the sliding roof drive gear sub-assembly can be initialized Programming and Relearning.

OK:

Sliding roof drive gear sub-assembly can be initialized.

NG -- CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)
OK -- Continue to next step.

8. CHECK SLIDING ROOF FUNCTION

(a) Check the auto operation with the OPEN, CLOSE, UP and DOWN switches On-Vehicle Inspection.

OK:

Auto operation operates normally with OPEN, CLOSE, UP and DOWN switches.

NG -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK -- Continue to next step.

9. DELETE DTC

(a) Delete the DTCs Diagnosis System.

NEXT -- END

10. CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY)

(a) Disconnect the Q13 and Q6 connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

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