Diagnosis Circuit
ComponentsSound Quality is Bad Only when CD is Played (Volume is Too Low)
PROCEDURE
1.
REPLACE CD AND RECHECK
(a) Replace the CD with a new or known good one and check that the malfunction
disappears.
OK:
Malfunction disappears.
OK
END
NG
REPLACE ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK COMBINATION METER ASSEMBLY
(a) Measure the resistance and voltage according to the value(s) in the table
below.
Tester Connection
Wiring Color
Terminal Description
Condition
...
Open in Front Passenger Side Electrical Antenna Circuit (B27A2)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the door electrical key oscillator built into the front door outside
handle assembly (for front passenger side) at 0.25-second intervals. To detect a
k ...