Mazda Mazda6 - Page 136

F1–48
CONTROL SYSTEM
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
• 4M(+)—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)
0 V
A6A3940W020
0 V
A6A3940W021
0 V
A6A3940W022
0 V
A6A3940W023