Mazda 3 Workshop Manual page 924

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
AC_REQ
(Refrigerant
pressure switch
On/Off
(low pressure
switch, high
pressure switch))
ACCS
On/Off
(A/C relay)
ALTF
(Generator field
%
coil control duty
value)
ALTT V
V
(Generator
output voltage)
ARPMDES
RPM
(Target engine
speed)
Downloaded from
• Refrigerant pressure is more
than the specification or less
than the specification.
(Refrigerant pressure switch
(low pressure switch, high
pressure switch) is off.): Off
• Others: On
• A/C is operating: On
• A/C is not operating: Off
• Ignition switch is turned to
the ON position: 0%
• Idling, E/L is operating: Duty
value increases.
• Ignition switch is turned to
the ON position: Approx. 1.0 V
or less
• Idling (no electrical load):
Approx. 14 V (This is an
internal calculation value and
differs from the terminal
voltage.)
MTX (neutral position)
• No load: 690 RPM
• E/L on
*4
(34-42 A): 700 RPM
• E/L on
*4
(42 A or more): 750
RPM
• A/C on
*5 (low load): 700
RPM
• A/C on
*5
(high load): 750
RPM
• P/S on: 750 RPM
ATX (N range)
• No load: 750 RPM
• E/L on
*4
(34-42 A): 750 RPM
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• Refrigerant pressure
switch (low pressure
switch, high pressure
switch)
• The following PIDs
- CPP,
CPP/PNP,
PSP, ECT,
PCM_T, RPM,
TP, TR,
AC_REQ,
COLP
• The following PIDs
- ECT, IAT,
RPM, VSS,
ALTT V,
VPWR
• Generator
• Generator
• The following PIDs
- CPP,
CPP/PNP,
PSP, ECT,
IAT, RPM, TP,
MAF, BARO,
VSS,
AC_REQ,
COLP
• IAC valve
- automotive repair manuals website
1Q
1AL
2AN
2AR
-