B2548
SLIDING ROOF / CONVERTIBLE: RETRACTABLE HARDTOP SYSTEM: B2548: Driver Side J/B ECU Communication Stop
B2548 - Driver Side J/B ECU Communication Stop
DESCRIPTION
The sliding roof control ECU assembly receives the luggage compartment door opener main switch signal via BEAN communication from the main body ECU RH (cowl side junction block RH) and changes operation permission condition of the metal top system.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. REPLACE MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)
(a) Replace the main body ECU RH (cowl side junction block RH).
NEXT -- Continue to next step.
2. CLEAR DTC
(a) Clear the DTC Reading and Clearing Diagnostic Trouble Codes.
NEXT -- Continue to next step.
3. CHECK FOR DTC
(a) Recheck for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2548 is not output.
NG -- REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY
OK -- END (MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH) WAS DEFECTIVE)