Land Rover Defender manuals

Land Rover Defender: Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

DIAGNOSIS AND TESTING

PRINCIPLES OF OPERATION

For a detailed description of the battery system and operation, refer to the relevant Description and Operation section of the workshop manual REFER to: Battery, Mounting and Cables - [+] Non-Electric Vehicles (Battery, Mounting and Cables - Vehicles With: Non- Electric Vehicles, Description and Operation), Startup Battery and Cables - INGENIUM I6 3.0L Petrol (Battery, Mounting and Cables - Vehicles With: Non- Electric Vehicles, Description and Operation).

INSPECTION AND VERIFICATION

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault and may also cause additional faults in the vehicle being checked and/or the donor vehicle.

NOTES:

  1. Verify the customer concern
  2. Visually inspect for obvious signs of mechanical or electrical damage

Visual Inspection

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
  2. If the cause is not visually evident check for Diagnostic Trouble Codes ( DTCs) and refer to the DTC Index
  3. Check the Jaguar Land Rover claims submission system for open campaigns. Refer to the corresponding bulletins and SSMs which may be valid for the specific customer complaint and complete the recommendations as required

12 VOLT MIDTRONICS GR8-1180 JLR DIAGNOSTIC BATTERY CHARGER USER GUIDE

PINPOINT TEST A : VOLTAGE DROP ACROSS VEHICLE HARNESS AND BATTERY TERMINAL

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

The following steps must be completed to make sure correct operation of the GR8-1180 JLR diagnostic battery charger during the battery test procedure

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

NOTE: The GR8-1180 JLR diagnostic battery charger is suitable for testing flooded and absorbed glass mat (AGM) type batteries including Primary and Secondary batteries

Testing a Battery

Using the GR8-1180 JLR diagnostic battery charger, the following test procedure will confirm the serviceability of the battery (see Completing a Battery Test)

Battery Label Example

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

GR8-1180 JLR Diagnostic Battery Charger Display Keypad

The GR8-1180 JLR diagnostic battery charger has an integrated display and keypad, the display guides the user through the on-screen navigation aids, directions and messages. The illustration (below) shows how the elements on the screen relate to the keypad and details the functions of the various keys:

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Test Types

Before performing any battery diagnostic on a vehicle, make sure the ignition is OFF and the vehicle is powered down, with the modules entering 'sleep mode' before commencing and with the hazard switch illumination extinguished The Midtronics GR8-1180 JLR diagnostic battery charger has three types of battery test (Diagnostic Charging, Pre- Delivery Inspection (PDI) / Storage and Battery Storage), one battery support function (Battery Support Power Supply) and one manual charging option available (Recovery Charging) for the technician to select:

DIAGNOSTIC CHARGING

PDI / STORAGE

BATTERY STORAGE

BATTERY SUPPORT Power Supply

RECOVERY CHARGING

5. The RECOVERY CHARGING mode should only be used when the battery voltage is below nine volts. The current should be set to 50 amps for a flooded battery or 40 amps for an AGM battery. The timer for the duration of the RECOVERY CHARGING cycle should be set for one hour. When RECOVERY CHARGING is complete, the DIAGNOSTIC CHARGING (see above) mode may be used to assess the battery

Completing a Battery Test

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Tester Results Table

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Flooded Battery Care Point

If the vehicle is equipped with a flooded battery, make sure the replacement battery is a flooded battery of the same specification (cold cranking amperage (CCA), battery standard (EN/SAE) / amp hour rating (Ah) ) as the original battery Under no circumstances should you fit a flooded battery to a vehicle that originally had an AGM battery, unless formally instructed by Jaguar/Land Rover

AGM Battery Care Point

If the vehicle is equipped with an absorbed glass mat (AGM) battery, make sure the replacement battery is a AGM battery of the same specification (cold cranking amperage (CCA), battery standard (EN/SAE) / amp hour rating (Ah) ) as the original battery, unless formally instructed by Jaguar/Land Rover

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

Battery Diagnostics - 12 Volt Midtronics GR8-1180 JLR Diagnostic Battery Charger

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