NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
(a) Replace the sliding roof drive gear assembly See: Body and Frame/Roof and Associated Components/Sunroof / Moonroof/Service
and Repair/Removal and Replacement/Removal.
NEXT -- Continue to next step.
5. CHECK DTC OUTPUT
(a) Clear the DTC See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Reading and
Clearing Diagnostic Trouble Codes.
(b) Recheck for DTCs.
OK:
DTC B1273 is not output.
NG -- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) See: Body and Frame/Body Control
Systems/Body Control Module/Service and Repair/Removal
OK -- END (SLIDING ROOF DRIVE GEAR ASSEMBLY WAS DEFECTIVE)
From 08/2009
NETWORKING: LIN COMMUNICATION SYSTEM: B1273: Sliding Roof ECU Communication Stop
B1273 - Sliding Roof ECU Communication Stop
DESCRIPTION
This DTC is stored when LIN communication between the sliding roof ECU (sliding roof drive gear assembly) and main body ECU (multiplex
network body ECU) stops for more than 10 seconds.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
* When the sliding roof ECU (sliding roof drive gear assembly) is replaced or removed and reinstalled, it requires initialization
See: Body and Frame/Roof and Associated Components/Sunroof / Moonroof/Testing and Inspection/Programming and
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