SYSTEM DIAGRAM
Sender |
Receiver |
Signal |
Communication Line |
---|---|---|---|
A/C amplifier |
ECM |
Magnetic clutch request signal*1 |
CAN |
Idle up request signal |
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External variable control solenoid current signal |
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Cooling fan motor driving request signal |
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Refrigerant gas pressure sensor signal |
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Ambient temperature signal |
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A/C amplifier |
Air conditioning control assembly |
Panel indication signal |
LIN |
MODE indication signal |
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Blower level indication signal |
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Set temperature indication signal |
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Combination meter |
A/C amplifier |
Vehicle speed signal |
CAN |
ECM |
A/C amplifier |
Engine revolution speed signal |
CAN |
Engine coolant temperature signal |
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A/C control cut signal |
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Air conditioning control assembly |
A/C amplifier |
AUTO switch signal |
LIN |
OFF switch signal |
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A/C switch signal |
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Fr DEF switch signal |
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Rr DEF switch signal |
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MODE switch signal |
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REC/FRS switch signal |
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SYNC switch signal |
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Blower switch signal (FAN+, FAN-) |
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Set temperature switch signal (UP, DOWN) |
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, the battery voltage is applied to IGSW
of the ECM. The output signal from the MREL terminal of the ECM causes a current
to flow to the coil, closing the contact of the engine room junction block assemb ...
Precaution
PRECAUTION
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected.
System Name
See Procedure
Back Door Closer System
...
Front Passenger Side Seat Belt Warning Light Malfunction
DESCRIPTION
The occupant classification ECU detects the state of the front seat inner belt
assembly RH and load sensor when the front passenger side seat is occupied with
the ignition switch ON. If the front passenger side seat belt is not fastened, the
...