B2342

SLIDING ROOF: SLIDING ROOF SYSTEM: B2342: Switch Failure

DTC B2342 - Switch Failure

DESCRIPTION

This DTC is output when the sliding roof drive gear (sliding roof ECU) detects that the SLIDE or TILT switch in the roof console box (sliding roof switch) is stuck for 30 seconds or more.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC
(a) Clear the DTCs (Reading and Clearing Diagnostic Trouble Codes).
(b) Check for DTCs (Reading and Clearing Diagnostic Trouble Codes).

Result





B -- USE SIMULATION METHOD TO CHECK
A -- Continue to next step.
2. READ VALUE USING TECHSTREAM (SWITCH STATUS)
(a) Use the Data List to check if the sliding roof switch is functioning properly (Scan Tool Testing and Procedures).

Sliding Roof





OK:
The Techstream displays as shown in the table according to the operation of each switch.
NG -- INSPECT SLIDING ROOF SWITCH
OK -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
3. INSPECT SLIDING ROOF SWITCH





(a) Remove the sliding roof switch.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPLACE SLIDING ROOF SWITCH
OK -- Continue to next step.
4. INSPECT ROOF CONSOLE BOX ASSEMBLY





(a) Remove the roof console box with sliding roof switch (Removal).
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:





NG -- REPLACE ROOF CONSOLE BOX ASSEMBLY
OK -- Continue to next step.
5. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX)





(a) Disconnect the W3 ECU connector.
(b) Disconnect the W7 roof console box connector.
(c) 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