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P0625 Generator Field/F Terminal Circuit Low Input

AutoHex Online Help: Hyundai ELANTRA(HD) 2010
Component Location
General Description

Alternator output and power demand of all electrical loads and systems must be matched to each other as ideally as possible so that the entire system is reliable and trouble-free in operation. The ECM monitors alternator output deviation from the signal of the FR terminal of the alternator when the engine is running



DTC Description

ECM sets DTC P0625 if the ECM detects output duty signal lower than the possible range of a properly operating alternator

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

? Electrical Check

? Short to battery in harness

? Poor connection or damaged harness

Enable Conditions

Case1

? Time after ignition ON > 0.1sec.

? Engine speed=0

? No relevant failure

Case2

? No relevant failure

? Battery voltage <16V

? 600< Engine speed(rpm) <4000

? Coolant temp. >74?(165?)

Threshold Value

Case1

? Alternator load <15%

Case2

? Alternator load <2%

Diagnostic Time

Case1

? 1sec.

Case2

? 20sec.

MIL On Condition

? -

Schematic Diagram
Signal Waveform