Diagnosis Procedure
1.CHECK SUNROOF MECHANISM
Check the following.
2.CHECK SUNROOF MOTOR ASSEMBLY POWER SUPPLY AND GROUND CIRCUIT
Check sunroof motor assembly power supply and ground circuit
3.CHECK SUNROOF SWITCH
Check sunroof switch.
4.CONFIRM THE OPERATION
Confirm the operation again.
Audio unit
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
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U1243 display unit
DTC Logic
Diagnosis Procedure
1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT
Check display unit power supply and ground circuit
2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M142 and AV control unit
connector M163.
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Subwoofer
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the subwoofers using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and subwo ...