Removal
4wd Control EcuSliding 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 (multiplex network body ECU) stops
for 10 seconds or more.
DTC No.
DTC Detection Condition
Trouble Area
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Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR SPEAKER ASSEMBLY (w/o Amplifier Box Speaker Assembly)
(a) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Tester Connection
Condition
Specified Condition
1 - 2
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A-TRAC Indicator Light does not Come ON
DESCRIPTION
The A-TRAC does not operate even if the A-TRAC switch is pressed under the following
conditions:
The TRAC or VSC system is faulty.
The temperature inside the hydraulic brake booster increases and the
A-TRAC operation is suspended.
WIRING DIAGRAM
Refer to A-TRAC ...