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[F-scan2 / M-SCAN2] Factory Diagnostic Tool Troubleshooting & Repair (A/S) Guide

Oscar Eom
Updated

Overview

This guide provides on-site checks and repair service criteria for power, charging and battery faults, boot and programme errors, screen (LCD), touchscreen and button faults, vehicle communication (VCI) and wireless network (WLAN) connection failures, and physical damage encountered when using the F-scan2 (M-SCAN2) vehicle diagnostic equipment for finished vehicle manufacturing plants.

It distinguishes between external terminal, battery and connection cable checks that on-site personnel can perform before requesting repairs, and conditions requiring inspection at an official repair centre.

Applicable Equipment Scope:

  • Applicable Equipment Models: F-scan2 / M-SCAN2 (sets and Main Modules for finished vehicle manufacturing plants)
  • Main Serial Number (S/N) Format: Serial numbers beginning with PM2, among others

If symptoms persist after on-site checks and hardware inspection or component replacement is required, please follow the official Inquiry about Product Repair and After-Sales Service Costs guide and the official repair service request procedure at the end of this article.

 

Table of Contents
 

1. Failure to Power On, Charging Faults and Battery Issues

On-site Symptoms: Symptoms may include failure to power on or intermittent power faults, failure to charge when connected to the charging cradle, faults, damage or looseness in the AC/DC charging adapter (DC jack), rechargeable battery faults, or heating of the left-hand terminal and severe battery overheating during charging.

On-site Checks Before Requesting Repairs:

  1. Check the Charging Cradle Connection Terminals: If the equipment does not charge when connected to the charging cradle, visually inspect the charging terminals that connect to the cradle for displacement or poor contact caused by foreign material.
  2. Check Battery Installation and Test with a Spare Battery: Check that the battery and battery cover are securely fitted. If a known-good spare battery is available, fit it and compare whether the equipment powers on normally.
  3. Check the Charging Adapter (DC Jack) Connection for Looseness and Assess Heat Levels: Inspect the AC/DC charging adapter and DC jack connection for damage or looseness. The left-hand terminal area may become warm within its normal operating range during charging; distinguish this from severe battery overheating.
 

Warning: Stop Use Immediately if the Battery Overheats Severely or Overcurrent Is Suspected

Severe battery overheating may indicate a fault requiring replacement of the internal mainboard. Overcurrent may cause faults in multiple components, including the mainboard, SSD memory, wireless module and LCD module. If severe overheating or an overcurrent fault is identified, immediately disconnect the charging adapter and cradle, remove the battery, and submit an official repair service request.

 

Note: Replacement of Older Rechargeable Batteries and Battery Covers

When requesting replacement of an older rechargeable battery or battery cover, please note that the equipment may be returned with a new-type rechargeable battery and battery cover fitted. Bear this in mind when requesting parts or repairs.

 

When to Request Repair Service:

  • Power faults persist even with a known-good spare battery fitted (inspection or replacement of the internal charging board, battery connector board or mainboard is required).
  • The charging cradle connection terminals are displaced or damaged, or the charging adapter connection (DC jack) is faulty or damaged.
  • The battery overheats severely, or abnormal operation caused by overcurrent is suspected. (However, inspection and transport charges may apply if the equipment is sent for repair for a condition that is not a fault, such as normal heating of the left-hand terminal during charging, and no fault is found.)

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2. Boot Failures, Power Loss on Impact and Programme Errors

On-site Symptoms: The equipment fails to boot after being powered on, or switches off when subjected to impact. Overall operation may also be slow, or Low Memory Warning and System Coding Error (VCI INIT ERROR) messages may appear while a programme is running.

 

Common Error Messages:

  • Low Memory Warning
  • System Coding Error (VCI INIT ERROR)
 

On-site Checks Before Requesting Repairs:

  1. Restart the Equipment and Check Whether the Same Error Recurs: If a temporary slowdown or error message occurs, shut down and restart the equipment, then check whether Low Memory Warning or System Coding Error (VCI INIT ERROR) appears repeatedly.
  2. Check Battery Security if the Equipment Switches Off on Impact: First check that the battery cover and battery are secured without movement. If the equipment continues to switch off on impact despite the battery being securely fitted, request repairs so that the internal components can be inspected.

When to Request Repair Service:

  • The Low Memory Warning pop-up appears repeatedly, or overall operation remains slow (system recovery and software reinstallation are required).
  • The System Coding Error (VCI INIT ERROR) message continues to appear after restarting (reflashing or recovery of corrupted internal firmware, or inspection and replacement of the VCI board, is required).
  • Boot failures persist after powering on, or the equipment repeatedly switches off on impact (inspection and replacement of the internal MCP board, CPU, SSD memory, VCI board connector or barcode module is required).

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3. Screen (LCD) Display Faults, Touchscreen Malfunctions and Physical Button Failures

On-site Symptoms: Display faults, intermittent screen noise or abnormal colours may occur. Other symptoms include a damaged LCD, touchscreen faults, screen indentation damage, or failure of physical buttons on the main unit, such as the green button or power button.

On-site Checks Before Requesting Repairs:

  1. Check for Touch Input Failure if the Vehicle VIN Is Not Recognised: During on-site testing, an apparent failure to recognise the vehicle VIN during vehicle selection or an Auto VIN search may actually be caused by a touchscreen or LCD fault. First touch other menus or areas of the screen to check whether touch input itself is not working.
  2. Visually Inspect the Screen Surface for Indentations and Damage: Check the screen surface for indentation damage or breakage. If display faults, touch faults or indentation damage are confirmed, submit an official repair service request for LCD module replacement.
  3. Check Physical Button Operation: If key input is not recognised correctly due to a faulty physical switch, such as the green button or power button, the internal keypad board or key button components require inspection.
 

Caution: Chargeable Repairs for Touchscreen Indentations and Damage

LCD breakage or touchscreen indentation damage caused by external impact or pressure is subject to chargeable repair (LCD module replacement). Take care not to press the screen with hard or pointed objects during operation.

 

When to Request Repair Service:

  • Display faults, intermittent screen noise or abnormal colours occur (LCD module replacement is required).
  • Touchscreen input faults or screen indentations or damage are confirmed (LCD module replacement is required).
  • Input faults with the green button, power button or other keys persist (keypad board or key button replacement is required).

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4. Vehicle Communication (VCI) Failures, External DLC Cable Faults and Wireless Network (WLAN) Connection Failures

On-site Symptoms: DLC connection failures or vehicle diagnostic communication faults occur, and High-CAN Communication Failure and Test NG appear during the VCI self-test. Abnormal behaviour may occasionally occur, such as automatically reading a VIN when the DLC cable is not connected to the vehicle. Other symptoms include wireless network (WLAN / LAN) connection failures (NG displayed), intermittent disconnections and BA Tool Pairing Failure.

 

Common Error Messages:

  • High-CAN Communication Failure or Test NG displayed during the VCI self-test
  • NG displayed when attempting a network connection, or BA Tool Pairing Failure
 

On-site Checks Before Requesting Repairs:

  1. Inspect the External DLC Cable and Test with a Spare Cable: Vehicle communication faults may be caused by a faulty external DLC cable rather than an internal fault in the main unit. Inspect the condition and connections of the DLC cable in use, then test with a known-good spare DLC cable to distinguish between a cable fault and a fault in the main unit's internal VCI board.
  2. Also Check Vehicle Communication (VCI) if a Wireless Connection Detection Fault Is Suspected: Some issues initially identified on site as wireless connection detection faults are actually vehicle communication (VCI board) or DLC faults. Alongside checking the wireless network signal environment, check wired vehicle communication and whether the VCI self-test passes.

When to Request Repair Service:

  • Vehicle communication remains unavailable after testing with a known-good spare DLC cable, or High-CAN Communication Failure or Test NG appears during the VCI self-test (inspection or replacement of the internal integrated VCI board, or cleaning to remove corrosion, is required — if a cable fault is suspected, sending the DLC cable in use with the equipment is recommended).
  • Network (WLAN / LAN) connection failures (NG displayed), intermittent disconnections or BA Tool Pairing Failure persist even in a normal wireless environment (inspection or replacement of the wireless module and wireless antenna is required).

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5. Damage to the Outer Casing and Mechanical Parts, and Precautions Against Foreign Material Ingress

On-site Symptoms: Deformation or damage to the battery cover, damper and damper holder, front or rear casing, panel near the charging area, DLC cover, or equipment holder (hanger or hanging latch).

 

Caution: Do Not Leave Damaged External Parts Unrepaired — Risk of Equipment Being Deemed Irreparable

  • Risk of Foreign Material Ingress and Corrosion: Continued use with a deformed or damaged casing, battery cover or DLC cover may allow foreign material to enter the equipment and cause corrosion of the mainboard and VCI board.
  • Preventing an Irreparable Condition: If foreign material ingress or damage renders internal components unusable, the product may be deemed irreparable. If damage is found to external mechanical parts (battery cover, damper, damper holder, front or rear casing, DLC cover or equipment holder), do not dismantle the equipment yourself or leave the damage unattended. Submit an official repair service request promptly.
  • Chargeable Repair Criteria: Damage caused by customer misuse or negligence, including physical damage and foreign material ingress, is subject to chargeable repair even within the warranty period.
 

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Quick Reference Table

 
Symptom Category On-site Checks Before Requesting Repairs When to Request Repair Service
Power faults / cradle or adapter charging faults / severe battery overheating Visually inspect charging cradle terminals for displacement or foreign material; check that the battery and battery cover are secure; test with a known-good spare battery; check the DC jack for looseness. Power faults persist with a spare battery fitted, or charging terminals or the DC jack are faulty or damaged. If the battery overheats severely, disconnect immediately and send for repair.
Boot failures / power loss on impact / Low Memory Warning / VCI INIT ERROR Restart the equipment and check whether the same error messages recur. If it switches off on impact, check that the battery and battery cover are secure. Low Memory Warning, VCI INIT ERROR or slow operation persists after restarting (recovery or firmware reflashing required), or boot failures and power loss on impact recur.
Display faults or noise / touch faults or indentations / green or power button failures If the vehicle VIN is not recognised, touch other areas of the screen to distinguish a touch input failure. Check for surface indentations and inspect physical button condition. Display abnormalities, touch faults or indentation damage are confirmed (LCD module replacement required), or physical button failures persist (keypad board or key button replacement required).
Vehicle communication faults (High-CAN Communication Failure, Test NG) / WLAN faults (NG) / BA Tool Pairing Failure Inspect the external DLC cable and test with a known-good spare DLC cable. Check both the wireless signal environment and VCI self-test results. Communication failure or Test NG persists with a spare cable connected (VCI board inspection or replacement), or wireless connection failures or disconnections persist (wireless module or antenna replacement).
Damage to the battery cover / damper or damper holder / casing / DLC cover / equipment holder Visually inspect external damage. Do not dismantle the equipment yourself or leave damaged parts unrepaired. Request official repair promptly when external mechanical damage is found, to prevent board corrosion from foreign material ingress and avoid the equipment being deemed irreparable.
 

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Official Repair Service Requests

If symptoms persist after on-site checks and detailed hardware inspection or component replacement is required, please follow the official procedure below to request repair service. This guidance applies to Europe, India, Asia-Pacific and general overseas plants.

  • Repair Requests and Service Cost Enquiries: Submit an online inquiry via the Help Centre or contact your regional official repair entity. See Inquiry about Product Repair and After-Sales Service Costs.
  • Regional Official Repair Entities: Contact GIT Europe (GITE) for Europe, GIT India (GITI) for India, or GIT HQ for Asia-Pacific and general overseas plants. Follow the Repair Process & Policies guide and confirm the shipping destination before dispatch.
  • Precautions When Sending Equipment for Repair:
    1. Before sending the equipment, submit a repair request through the Help Centre online inquiry channel or your regional official repair entity, then follow the instructions provided.
    2. For charging faults, include the charging adapter and battery used with the equipment. For vehicle communication faults, include the external DLC cable used with the main unit. This will help ensure an accurate inspection.
    3. Include the equipment serial number (S/N), a detailed fault description (displayed error messages and conditions for reproducing the fault), the return site and department name, contact person's name, contact details and return address. Use sufficient cushioning packaging to prevent further damage during transport.
 

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