Mazda 2002 6 Workshop Manual page 176

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)
CONTROL SYSTEM
0 V
0 V
0 V
0 V
F
A6A3940W016
A6A3940W017
A6A3940W018
A6A3940W019
F–48–13