Mazda 6 2002, Workshop Manual

Page: 176 / 1248

CONTROL SYSTEM
F–48–13
F
Input/turbine speed sensor signal
PCM terminals
•
3G(+)—2AC(–)
Oscilloscope setting
•
500 mV/DIV (Y), 1 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)
Pressure control solenoid signal
(–)
PCM terminals
•
3V(+)—1C(–)
Oscilloscope setting
•
5 V/DIV (Y), 1 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
•
3Y(+)—1C(–)
Oscilloscope setting
•
5 V/DIV (Y), 1 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)
HO2S (front) heater control signal
PCM terminals
•
4A(+)—1C(–)
Oscilloscope setting
•
4 V/DIV (Y), 200 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
A6A3940W016
0 V
A6A3940W017
0 V
A6A3940W018
0 V
A6A3940W019