Hyundai Tucson: The MDX-670P Analyzer

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Engine Electrical System / Charging System / The MDX-670P Analyzer

The MDX-670P battery conductance and electrical system analyzer tests batteries as well as starting and charging systems for vehicle.

It displays the test results in seconds and features a built-in printer to provide a copy of the results.



1) Because of the possibility of personal injury, always use extreme caution and appropriate eye protection when working with batteries.

2) When charging battery by test result, Battery must be fully charged. To get accurate test result, battery surface voltage must have subsided ahead before test when you test battery after charged. (See following Battery Test Results)


When testing the vehicle with old diesel engines, the test result will not be favorable if the glow plug is not heated. Conduct the test after warming up the engine for 5 minutes.

  1. Connect the red clamp to the positive (+) terminal and the black clamp to the negative (-) terminal


For a proper connection, rock the clamps back and forth. The tester requires that both sides of each clamp be firmly connected before testing. A poor connection will produce a CHECK CONNECTION or WIGGLE CLAMPS message. If the message appears, clean the terminals and reconnect the clamps.

  1. Scroll to and select IN VEHICLE or OUT OF VEHICLE for a battery not connected to a vehicle.



Following an IN VEHICLE test you will be prompted to test the starting and charging systems

  1. Scroll to and select REGULAR FLOODED, AGM FLAT PLATE, or AGM SPIRAL where applicable



If the vehicle equipped with ISG function, select the AGM FLAT PLATE.

  1. Scroll to and select the battery's rating system.


Mostly, the CCA value is marked on the battery label, but sometimes marked EN or SEA value. Select one of them.

  • CCA : Cold Cranking Amps, as specified by SAE. The most common rating for cranking batteries at 0ºF (-17.8 ºC).
  • EN : Europe-Norm
  • SAE : Society of Automotive Engineers, the European labeling of CCA
  1. Set the selected rating value displayed on the screen to the value marked on the battery label by pressing up and down arrow buttons

  1. Press ENTER to start test.

  1. After several seconds the tester displays the decision on the battery's condition and the measured voltage.

    The tester also displays your selected battery rating and the rating units.

Battery Test Results

Battery Test Results

Charge and Retest method after battery charge


     Charge and Retest method after battery charge

    Battery charge Set battery charger to 'Auto Mode' (The Mode that charging current drops as the battery charges.) and charge battery until charging current down close to zero or the charger alerts you with an alarm when charge is complete.(Mini

     Charging System - Cleaning

    Make sure that the ignition switch and all accessories are in the OFF position. Disconnect the battery cables (negative first). Remove the battery from the vehicle. WARNING Care should be taken in the event the battery case is cracked o

     Ignition System


     Cylinder Head - Installation

    WARNING Thoroughly clean all parts to be assembled. Always use a new cylinder head gasket and manifold gasket. Always use a new cylinder head bolt and cylinder head bolt washer. The cylinder head and exhaust manifold is a metal gasket. T

     Low tire pressure position and tire pressure telltale

    When the tire pressure monitoring system warning indicators are illuminated and a warning message displayed on the cluster LCD display, one or more of your tires is significantly under-inflated. The Low Tire Pressure Position Telltale will