B252E
SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B252E: Luggage Door Position Switch Abnormal Operation
B252E - Luggage Door Position Switch Abnormal Operation
DESCRIPTION
The luggage compartment door hinge assembly LH (luggage door half open switch) detects that the luggage door is half open. The switch sends a signal to the sliding roof control ECU assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
Before starting troubleshooting, check that there are no mechanical problems.
PROCEDURE
1. READ VALUE USING TECHSTREAM (LUGGAGE POSITION SW)
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Retractable Hardtop / Data List.
(e) Read the Data List according to the display on the Techstream.
Retractable Hardtop (Sliding Roof Control ECU Assembly)
OK:
The Techstream display changes according to condition as shown in the table.
NG -- CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR HINGE LH - SLIDING ROOF CONTROL ECU)
OK -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY
2. CHECK HARNESS AND CONNECTOR (LUGGAGE COMPARTMENT DOOR HINGE LH - SLIDING ROOF CONTROL ECU)
(a) Disconnect the Q42, Q43 and Q36 connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. REPLACE LUGGAGE COMPARTMENT DOOR HINGE ASSEMBLY LH (LUGGAGE DOOR HALF OPEN SWITCH)
(a) Replace the luggage compartment door hinge assembly LH (luggage door half open switch).
NEXT -- Continue to next step.
4. CLEAR DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
5. CHECK FOR DTC
(a) Operate the retractable hardtop system.
(b) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B252E is not output.
NG -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY
OK -- END (LUGGAGE COMPARTMENT DOOR HINGE LH WAS DEFECTIVE)