B2342
SLIDING ROOF: SLIDING ROOF SYSTEM: B2342: Switch Failure
B2342 - Switch Failure
DESCRIPTION
This DTC is stored when the sliding roof drive gear sub-assembly detects that the slide open switch, slide close switch, tilt up switch, or tilt down switch in the map light assembly is stuck for 30 seconds or more.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. READ VALUE USING TECHSTREAM (SLIDING ROOF)
(a) Using the TECHSTREAM, read the Data List Scan Tool Testing and Procedures.
Sliding Roof
OK:
"Not Fail" appears on screen.
NG -- INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)
OK -- Continue to next step.
2. CHECK SLIDING ROOF FUNCTION
(a) Check the AUTO operation with the sliding roof switch Operation Check.
OK:
AUTO operation operates normally.
NG -- INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
OK -- Continue to next step.
3. CLEAR DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- END
4. INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)
(a) Remove the map light assembly.
* for Standard Body Removal.
* for Long Body Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
OK -- CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)
NG -- Continue to next step.
5. REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)
(a) Temporarily replace the map light assembly (sliding roof switch) with a new or normally functioning one for standard body Removal or long body Removal.
NEXT -- Continue to next step.
6. CLEAR DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- END
7. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
(a) Check that the sliding roof drive gear sub-assembly can be initialized Initialization.
OK:
Sliding roof drive gear sub-assembly can be initialized.
NG -- CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)
OK -- Continue to next step.
8. CHECK SLIDING ROOF FUNCTION
(a) Check the AUTO operation with the sliding roof switch Operation Check.
OK:
AUTO operation operates normally.
NG -- REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Disassembly
OK -- Continue to next step.
9. CLEAR DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- END
10. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH)
(a) Disconnect the X5 ECU connector.
(b) Disconnect the X4 and X6 switch connectors.
(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 Disassembly