Luggage compartment
features
Sun visors and vanity
mirrorsBack-up power source circuit
Description
This is the back-up power source circuit for the air conditioning amplifier.
Power is supplied even when the
ignition switch is turned off and is used for functions such as the diagnostic
trouble code memory.
wiring diagram
Inspection procedure
Inspect fuse (ecu-b2)
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Terminals of ecu (2005/11-2006/01)
Check air conditioning amplifier
Measure the voltage and resistance of the
connectors.
Hint:
Check from the rear of the connector while it is
connected to the air conditioning amplifier.
using an oscilloscope, check waveform 1.
Can communication signal
Hint:
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Push switch / key unlock warning switch malfunction
Description
This dtc is output if the transponder key ecu does not detect that the unlock
warning switch is on even
when the ignition switch is on. Under normal conditions, the unlock warning
switch is on when the
ignition switch is on.
Wiring diagram
Inspection procedure
Re ...