
Diagnostic procedure


Dtc p0328
Dtc p0340Mazda 6 Service Manual: Schedule 2
Chart symbols:
I
: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary.
R
: Replace
L
: Lubricate
C
: Clean
T
: Tighten
Remarks:
*1 Use of FL-22 is recommended when replacing engine coolant. Using engine coolant other than FL ...
Mazda 6 Service Manual: Engine coolant temperature (ect) sensor inspection
Note
Perform the following inspection only when directed.
ECT Sensor Resistance Inspection
1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
2. Remove the ECT sensor (located above the starter).
3. Place the ECT sensor in water with a thermometer, and heat the water
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