Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitHeadlamp
Wiring Diagram
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U1255 satellite radio tuner
Description
DTC Logic
Diagnosis Procedure
1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT
Check satellite radio tuner power supply and ground circuit.
2.CHECK CONTINUITY COMMUNICATION CIRCUIT AND REQUEST SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect AV cont ...
Diagnosis system (BCM)
CONSULT Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
CONSULT Function (BCM - AIR PRESSURE MONITOR)
NOTE: The Signal Tech II Tool (J-50190) can be used
to ...