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OBDSTAR DC706 successfully repairs 2016 Honda Civic Keihin PGM fitc1782 idle speed issue.
Maintenance Background: A 2016 Honda Civic with a 1.5T engine exhibited idle shaking when in D gear. The dashboard displayed an engine speed of approximately 600-650 RPM. Diagnostic tools reported no fault codes, and a thorough hardware inspection revealed no abnormalities. Cleaning the throttle body did not resolve the issue.
Solution:
The problem was successfully resolved using the DC706, leveraging its one-click repair function designed for addressing low idle problems in the 10th generation Honda Civic.
Tools Required:
OBDSTAR DC706 main unit
Main cable
High-power stabilized power supply
OBDSTAR ECU Bench Jumper
MP001 multifunctional programmer
Honda KEIHIN PGM FITC1782 ECM
Requirements:
Ensure the ECM software is updated to version V31.42 or above.
Maintain a stable internet connection during the operation.
Operation Guide:
Navigation:
Open the DC706 interface and go to ECU Flasher > ECM > ECM V31.42.
Search for the ECM model: HONDA KEIHIN PGM FITC1782.
Preparation:
Click on [Guide]to view detailed connection methods and operation instructions.
Start the Process:
Select “BENCH” mode and choose the MP001 adapter.
Pinout Connection:
Follow the pinout diagram for connections:
| ECU Pin | Tool Pin |
| A-Pin 7 | 12V (16) |
| A-Pin 13 | GND (4+5) |
| B-Pin 30 | 12V (16) |
| B-Pin 22 | GND (4+5) |
| A-Pin 36 | CAN L (14) |
| A-Pin 37 | CAN H (6) |
Hardware Setup:
Connect the MP001 Programmer to the Honda ECM using the Bench Jumper as per the diagram.
Connect the OBDSTAR MP001 Programmerto the DC706 ECU Tool via the main cable.
Attach the power supply to the main cable.
ECU Operations:
Click [Start]to establish a connection with the ECU in Bench mode.
Read and write the INT flash (TC1782) data.
Verify the data when writing the INT flash.
Idle Speed Adjustment:
Adjust the idle speed to approximately 800 RPM.
Outcome:
The idle speed issue on the 2016 Honda Civic was successfully resolved using the OBDSTAR DC706 ECU Tool. The vehicle now operates smoothly without any idle shaking in D gear.
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