DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerTrunk open function
TRUNK LID OPENER SWITCH
TRUNK LID OPENER SWITCH : System Diagram
TRUNK LID OPENER SWITCH : System Description
TRUNK LID OPENER OPERATION
When trunk lid opener switch is ON, BCM opens trunk release solenoid.
BCM can open trunk lid opener actuator when
vehicle speed is less than 5 ...
ECU diagnosis information
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CAUTION:
The display shows the control unit calculation data, so a normal value might be
displayed even in the
event the output circuit (harness) is open or short-circuited.
Note 1: C ...
Power supply and ground circuit
A/C AUTO AMP.
A/C AUTO AMP.: Description
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
information sent from various sensors needed for air conditioner
operation. The air mix door motor(s), the mo ...