JDiag T400 automotive diagnostic tool, OBD-II scanner, battery test and component testing devices
Professional automotive diagnostic tool with rugged ABS housing and precise battery & component testing.
Handheld automotive diagnostic tool for OBD-II scanning, battery health, component tests in workshop settings.
Handheld automotive diagnostic tool with rugged ABS housing and colour screen

JDiag • Automotive diagnostic tool T400

€79.99 Excl. VAT

MEMIDOS Payment Protection
Seller:  CANWAYTECH
<span class="sku_wrapper">China</span> China
Delivery terms: DDP
Item will be shipped in 3-5 business days
  Ask a Question
SKU: CW2026082711D Category:

Consumer sale



Warranty

12

Share this product with your friends:

Description

JDiag • Automotive diagnostic tool T4000

The JDiag T400 is a professional automotive diagnostic tool combining full OBD-II scanning, advanced battery health analysis, and component testing in one handheld device. Designed for workshops, service garages, and experienced DIYers, it features a rugged ABS housing, automatic vehicle identification via VIN/ECU, and a 3.5-inch color screen for clear results. It supports multiple battery types including Flooded Lead-Acid, AGM flat and spiral, GEL, and EFB batteries, enabling startup, charging, and waveform diagnostics. Component & actuator testing includes injector signal, relay test, and sensor signal output.

Key benefits

  • Diagnose and clear engine/ECU fault codes, view live data, freeze-frame, readiness, oxygen sensor, Mode 6 & Mode 8 tests, and auto VIN/ECU reading.
  • Comprehensive battery diagnostics: startup test, charging system evaluation, and voltage waveform monitoring across multiple battery types.
  • Component and actuator testing: injector performance, relay operation, signal output for sensors and circuits.
  • Supports over 97% of OBD-II compliant gasoline vehicles, with automatic matching and multiple standard protocols.
  • User-friendly design: physical buttons, bright color display, rugged handheld case suitable for professional environment.

Supported protocols

  • ISO 9141-2 (5-baud init, 10.4 kbaud)
  • SAE J1850 PWM (41.6 kbaud)
  • SAE J1850 VPW (10.4 kbaud)
  • ISO 14230-4 KWP (5-baud init, 10.4 kbaud)
  • ISO 14230-4 KWP (fast init, 10.4 kbaud)
  • ISO 15765-4 CAN (11-bit ID, 500 kbaud)
  • ISO 15765-4 CAN (29-bit ID, 500 kbaud)
  • ISO 15765-4 CAN (11-bit ID, 250 kbaud)
  • ISO 15765-4 CAN (29-bit ID, 250 kbaud)

Supported functions

Depending on vehicle compatibility the following functions are supported:

  • Read/clear diagnostic trouble codes (stored, pending, permanent)
  • View real-time data stream, freeze-frame, oxygen sensor and I/M readiness tests
  • Mode 6 and Mode 8 tests, DTC lookup with definitions and troubleshooting tips
  • Battery diagnostics (startup, charging, waveform, multiple battery types)
  • Component tests: injector test, relay test, signal output
  • Automatic vehicle identification via VIN/ECU without manual brand/model selection
  • Cloud print or record-and-playback of data stream

Included items

  • 1 × T400 diagnostic scanner (Model No. T400)
  • 1 × USB cable
  • 1 × relay test adapter
  • 1 × set of battery clamp cables
  • 1 × OBD-II extension cable
  • 1 × user manual

Standards



Specification

Shipping weight (kg) 0.5 kg
Shipping dimensions (mm) 110 × 30 × 200 mm
Brand

Color

Country of Origin

CN
Tariff number (HS code)

9031809090
Working temperature

-10-65°C
Supply voltage

8-30V

Consumer sale



Warranty

12

Standards



Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

No more offers for this product!

Shipping Policy

1.1 The seller is arranging the transport, and the delivery terms can be either DDU or DDP. The specific delivery terms used for each product is determined by the seller and can be seen on its product page under “Delivery terms”.

- DDU (Delivered Duty Unpaid): The seller arranges transport and delivers the goods to the buyer’s specified address. The seller covers packing, export clearance, transportation, and delivery and any terminal costs up to the agreed destination. However, the buyer is responsible for import duties, taxes, and customs clearance.

- DDP (Delivered Duty Paid): The seller delivers the goods to the buyer’s address and is responsible for all processes until the goods are in the buyer’s possession. The seller handles all shipping costs, including import duties, taxes, and customs clearance. The buyer is responsible for receiving the goods and unloading them.

1.2 For orders where the buyer is picking up or arranging transport of the goods from seller’s address the delivery terms are: FCA (Free Carrier at seller’s address). The seller is responsible for making the goods ready for export, to the buyer’s chosen carrier at the seller’s premises. The buyer handles all costs and risks after the products are collected.

Cancellation / Return / Refund Policy

2.1 Orders can be cancelled until they have been shipped. However maximum 24 hours after the order has been placed.

2.2 Standard products kept in store by the seller can be returned until 7 days after delivery. The returned products must be unused and in original packaging to be refunded. The shipping costs are non-refundable. Products produced to order cannot be returned and refunded.

2.3 See how to initiate a return here.

2.4 If delivery cannot be completed due to circumstances attributable to the buyer, including but not limited to refusal of delivery, failure to receive the goods, failure to collect the goods from a carrier, incorrect delivery information provided by the buyer, or failure to pay applicable import duties, taxes, or customs charges under DDU delivery terms, the order shall not be considered cancelled or returned in accordance with this policy.

In such cases, the seller may deduct from any refund all reasonable costs incurred as result of the failed or refused delivery, including freight charges, return freight, storage charges, customs charges, duties, taxes, handling fees, and any other costs incurred by the seller or its logistics providers.

For products that are manufactured to order, customized, specially sourced, or otherwise non-returnable under section 2.2, no refund shall be due if delivery is refused.

If the goods cannot be returned to the seller, are abandoned, destroyed, or otherwise become unavailable due to the buyer’s refusal or failure to accept delivery, the buyer remains liable for the full purchase price.

Warranty Policy

3.1 The seller warrants to the buyer that all products delivered by the seller are free of defects in relation to materials, design and finish ( the Warranty ). The Warranty applies for the warranty period for the specific product, and any claim from the buyer under the Warranty must have been made in writing to the seller within the warranty period. The warranty period for the product is specified on the MEMIDOS product page. The warranty period is counted from delivery of the product.

3.2 Complaints must be made in writing and be received by the seller no later than 6 working days after the error/defect could have been discovered using general diligence. In all events, a complaint must have taken place before expiry of the warranty period.

3.3 In case of timely complaints, see 3.2, The seller is obliged, at the seller’s own choice, to redeliver or repair products not in compliance with the Warranty. This is the buyer’s sole remedy in the case that supplied product are not in compliance with the Warranty or otherwise defective. The seller is not obliged to pay the installation costs in the events where installation can usually be made by the buyer.

3.4 The warranty only applies if the product has been handled, stored and used with the proper care, for the intended purpose and in compliance with applicable law, user instructions and other instructions from the seller, and that the products supplied, have not been changed or otherwise modified in any way. No warranty is granted for wearing parts, and usual wear and tear are not covered by the warranty.

3.5 No warranty is granted to products that can be categorised as wearing parts or consumables.

Related products