DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerRear view monitor system
System Diagram
System Description
When the shift selector is in the R position, the display unit shows a view
to the rear of the vehicle. Lines which
indicate the vehicle clearance and distances are also displayed.
Component Parts Location
Tweeter LH M51
Center speaker M130
...
BCM (body control module)
Reference Value
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
...
The ambient temperature display is incorrect
Description
The displayed ambient air temperature is higher
than the actual temperature.
The displayed ambient air temperature is lower
than the actual temperature.
Diagnosis Procedure
1.COMBINATION METER INPUT SIGNAL
Select "METER/M&A" on CON ...