Operation CHARM
: Car repair manuals for everyone.
Home
>>
Mazda
>>
2007
>>
CX-7 L4-2.3L Turbo
>>
Repair and Diagnosis
>>
Heating and Air Conditioning
>>
Control Module HVAC
>>
Testing and Inspection
Control Module HVAC: Testing and Inspection
Fan control module (No.1) signal
PCM terminals
-
1AE (+) - body ground (-)
Oscilloscope setting
-
5 V/DIV
(Y),
20 ms/DIV
(X), DC range
Vehicle condition
-
Idle after warm up (no load, P/S off, A/C off)