what does this code mean po622 generator field [f] control circuit

mylux
0

Asked by mylux Mar 25, 2013 at 09:48 AM about the 2008 Toyota Hilux

Question type: Maintenance & Repair

i started my hilux and the engine light was on so i took to my mates garage pluged it in and it came back
with p0622 generator field [f] control circuit and would like to no what it means thank you

4 Answers

DavidH25
Not Active

What does this mean? OBD Code P0622refers to The PCM monitors generator load from the generator/regulator in the form of frequency. The frequency range is determined by the temperature of the voltage regulator, where 97% indicates full load, and below 6% indicates no load. Symptoms Possible sumptoms of OBD code P0622 - Engine Light ON (or Service Engine Soon Warning Light) - No start Causes Possible causes of OBD code P0622 - Generator circuit short to ground. - Generator circuit short to voltage. - Generator circuit open. - Battery-sense circuit open. - Generator drive mechanism. (belt) - Damaged generator/regulator assembly. - Damaged PCM.

4 out of 4 people think this is helpful.
DavidH25
Not Active

PCM is Power Train Control Module, and what stands out here is belt.

1 out of 1 people think this is helpful.
tenspeed
53,345

Does the alternator work? Is the battery charging? -- The ECU sends a 5 volt signal to the alternator to excite the alternator field. That's starts the power generation. -- The P0622 code means that there is a problem with that signal. The alternator may still work because nothing is perfect and the alternator might have some residual magnetism to get the power generation ball rolling.

3 out of 3 people think this is helpful.
mrvinc1970
50

ok I have same code but my car wont move

5 out of 5 people think this is helpful.

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