Dtc P0625 / P0626: Generator Field Terminal Circuit Low / High - Suzuki GRAND VITARA Owner's Manual
Grand vitara
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- Service manual (836 pages) ,
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- Manual (184 pages)
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1A-163 Engine General Information and Diagnosis:
DTC P0625 / P0626: Generator Field Terminal Circuit Low / High
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 detecting condition
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%).
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.
Trouble area
Generator and/or its circuit
ECM
S5JB0A1104091
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Questions and answers
How to fix dampers of air conditioner on suzuki grand vitara I only get hot air seems that the damper does not move
To fix air conditioner dampers on a Suzuki Grand Vitara that only blows hot air, follow these steps:
1. Check for DTCs (Diagnostic Trouble Codes):
- Connect a scan tool to the DLC (Data Link Connector) with the ignition off.
- Turn the ignition on and check for DTCs, specifically DTC B1512.
2. Check Mode Selector Operation:
- Start the A/C system.
- Turn the mode selector to "DEF" and then to "FOOT" position.
- Wait 1 minute and recheck for DTCs.
3. Inspect Actuator Linkage:
- Check for any obstructions in the actuator linkage.
- Ensure the actuator linkage moves smoothly.
4. Check Wiring to Actuator:
- With the ignition off, disconnect the connector from the air flow control actuator.
- Inspect the wiring, especially the GRY/RED and GRY/BLK terminals, for proper connection.
If there are faults or obstructions in the actuator or wiring, repair or replace the faulty components. This should restore proper damper function and allow cold air to flow.
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