Mazda 2002 6 Workshop Manual page 177

IAC signal
(+)
PCM terminals
• 4G(+)—1C(–)
Oscilloscope setting
• 2 V/DIV (Y), 0.4 ms/DIV (X), DC range
Vehicle condition
• Idle after warm up (engine speed approx. 650
rpm [MTX] or 700 rpm [ATX], no load, P/S off, A/C
off)
(–)
PCM terminals
• 4J(+)—1C(–)
Oscilloscope setting
• 2 V/DIV (Y), 0.4 ms/DIV (X), DC range
Vehicle condition
• Idle after warm up (engine speed approx. 650
rpm [MTX] or 700 rpm [ATX], no load, P/S off, A/C
off)
OCV control signal
PCM terminals
• 4J(+)—1C(–)
Oscilloscope setting
• 2 V/DIV (Y), 0.8 ms/DIV (X), DC range
Vehicle condition
• Idle after warm up (engine speed approx. 650
rpm [MTX] or 700 rpm [ATX], no load, P/S off, A/C
off)
Purge control signal
PCM terminals
• 4U(+)—1C(–)
Oscilloscope setting
• 1 V/DIV (Y), 10 ms/DIV (X), DC range
Vehicle condition
• Idle after warm up (engine speed approx. 650
rpm [MTX] or 700 rpm [ATX], no load, P/S off, A/C
off)
End Of Sie
F–48–14
CONTROL SYSTEM
0 V
0 V
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A6A3940W020
A6A3940W021
A6A3940W022
A6A3940W023