1A-163 Engine General Information and Diagnosis:
DTC P0625 / P0626: Generator Field Terminal Circuit Low / High
S5JB0A1104091
System and Wiring Diagram
Refer to “DTC P0620: Generator Control Circuit: ”.
Generator Control System Description
Refer to “Generator Control System Description: ”.
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) With ignition switch turned OFF, connect scan tool to DLC.
2) Turn ON ignition switch and clear DTC.
3) Make sure that all accessory switch is tuned OFF.
4) Start engine and warm it up to normal operating temperature (ECT approx. 90 – 95
°
C, 193 – 203
°
F).
5) Turn ON following accessory switch.
• Head lights switch.
• Blower motor switch (max position).
• Rear defogger switch.
6) Increase engine speed to 4000 rpm and keep it for 10 sec. or more.
7) Decrease engine speed to idle.
8) Check DTC and pending DTC.
DTC detecting condition
Trouble area
P0625:
Generator field coil duty is 100% (low voltage) for more than
specified time even through generator control is maximum
regulation (control duty 100%) or Generator field coil duty is 100%
(low voltage) when engine is starting.
P0626:
Generator field coil duty is 0% (high voltage) for more than
specified time even through generator control is minimum
regulation (control duty 0%).
Generator and/or its circuit
ECM
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