SYSTEM DIAGRAM
Precaution
Problem Symptoms TableSliding Roof ECU Communication Stop (B1273)
DESCRIPTION
This DTC is stored when LIN communication between the sliding roof ECU (sliding
roof drive gear sub-assembly) and main body ECU (driver side junction block assembly)
stops for more than 10 seconds.
DTC No.
DTC Detection ...
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
(a) Inspect the diaphragm.
(1) Using a vacuum pump, apply a vacuum of 60 kPa (450 mmHg, 17.7 in.Hg)
or higher to the diaphragm chamber. Wait for 1 minute and check that the ...