Home ReviewsRefund
Home/Acura/MDX/Acura MDX II рестайлинг (2010-2013)/Repair manual/Body Electrical/Battery
Contents Section: Body Electrical All sections

Battery Acura MDX II рестайлинг

Body Electrical 8 illustrations ~2436 words
WARNINGA battery can explode if you do not follow the proper procedure, causing serious injury to anyone nearby. Follow all procedures carefully and keep sparks and open flames away from the battery.

Special Tools Required

Acura Electrical System Analyzer (ED-18 Battery tester): Model Number INB17191845 *

Acura Battery Diagnostic Station (GR8): Model Number MTRGR81100PA *

* To order, go to the Acura Tool and Equipment catalog on the iN, or call 888-424-6857

Software Version

Make sure you have the latest software for the ED-18 and GR8.

To check the software version on the ED-18, do this

  1. Press the POWER button.
  2. Read the version number on the screen. It should appear for about 3 seconds.
  3. Or you can select: Language> Options> Info> Version. The version number will appear near the top of the screen.

Write down the version number, then call Midtronics at 800-776-1995 to verify you have the latest software version.

To check the software version on the GR8, do this

  1. Press the POWER button.
  2. Read the version number on the screen. It should appear for about 5 seconds.
  3. Or from the Main Menu, select: Options> Info> I Version. The version number will appear on the screen.

Write down the version number, then call Midtronics at 800-776-1995 to verify you have the latest software version.

Note. For set up, customization, and other available features, refer to the ED-18 user's manual.

  1. Connect the leads to the positive and negative terminal of the battery.
  2. Use the arrow keys to select the Battery test, then press ENTER, then follow the prompts. NOTE: Make sure to enter the correct cold cranking ampere (CCA) rating of the battery. You can find the CCA printed on the label on the top of the battery. If the CCA rating is not entered correctly, the test result will not be accurate. Make sure you select FLOODED for the battery type.
  3. Here are the four possible battery conditions: GOOD BATTERY: The battery has at least 60 percent of its charge and good state of health. No action is required. GR8 DIAGNOSTIC TEST NEEDED: The battery voltage is low. Connect the GR8 and use the diagnostic test to determine if the battery is GOOD or needs to be REPLACED. REPLACE BATTERY: The battery condition is poor. Replace it. BAD CELL: There is a problem with the battery. Replace it.

Note. For set up, customization, and other available features, refer to the GR8 user's manual. On the GR-8, you can select two modes: DEALER INVENTORY or CUSTOMER VEHICLE. DEALER INVENTORY: Use this mode for vehicles in dealer inventory. The GR8 charges the battery to 80% of its state-of-charge. If the battery condition is OK, the GR8 states the battery is GOOD. If you leave the GR8 attached to the battery, it changes to Top Off mode, and continues to charge the battery until it is at 100% of its state-of-charge. CUSTOMER VEHICLE: In order to give a waiting customer quicker service, the GR8 charges the battery to 60% of its state-of-charge. If the battery condition is OK, the GR8 states the battery is GOOD. If you leave the GR8 attached to the battery, it changes to Top Off mode, and continues to charge the battery until it is at 100% of its state-of-charge.

  1. Connect the leads to the positive and negative terminal of the battery.
  2. Use the arrow keys to select Diagnostic, and follow the prompts. NOTE: Make sure to enter the correct cold cranking ampere (CCA) rating of the battery. You can find the CCA printed on the label on top of the battery. If the CCA rating is not entered correctly, the test result will not be accurate. Make sure you select FLOODED for the battery type.
  3. Here are the three possible battery conditions: GOOD BATTERY: The battery state of health is good and state of charge is at least 60%. REPLACE BATTERY: The battery condition is poor. Replace it. BAD CELL: There is a problem with the battery. Replace it.

Disconnection

Note. Some systems store data in memory that is lost when the battery is disconnected. Do the following procedures before disconnecting the battery.

  1. Make sure you have the anti-theft code for the audio or the audio-navigation unit.
  2. Make sure the ignition switch is in LOCK (0).
  3. Disconnect and isolate the negative cable from the battery. NOTE: Always disconnect the negative cable from the battery first.
  4. Disconnect the positive cable from the battery.

Reconnection

Note. Some systems store data in memory that is lost when the battery is disconnected. Do the following procedures before disconnecting the battery. The battery sensor is initialized and recalibrated automatically after reconnecting. Review Battery Management System Symptom Troubleshooting (see SYMPTOM TROUBLESHOOTING ).

Scheme 53

Scheme 53: Reconnection
Scheme 53: Reconnection
  1. Clean the battery terminals.
  2. «Test the battery»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery)
  3. Reconnect the positive cable (A) to the battery (B) first, then reconnect the negative cable (C) to the battery. NOTE: Always connect the positive cable to the battery first.
  4. Apply multipurpose grease to the terminals to prevent corrosion.
  5. Do the steering column position memorization procedure (see «STEERING COLUMN POSITION MEMORIZATION»(/acura/mdx/ii-2010-2013/remont/manual-power-steering/#steering) ).
  6. Enter the anti-theft code for the audio or the audio navigation unit.
  7. Set the clock (for vehicles without navigation).
  8. If equipped, initialize the navigation system (see «AUDIO-NAVIGATION UNIT AND HDD SERVICE PRECAUTIONS»(/acura/mdx/ii-2010-2013/remont/entertainment-systems/#navigation-system__audio-navigation-unit-and-hdd-service-precautions) ).
  9. If the power tailgate was opened while the battery was disconnected, the power tailgate control unit must be reset (see «RESETTING THE POWER TAILGATE CONTROL UNIT»(/acura/mdx/ii-2010-2013/remont/exterior-body-panels/#power-tailgate) ).

Note. The battery terminal disconnection/reconnection procedure must be done before and after doing this procedure. Some systems store data in memory that is lost when the battery is disconnected.

Removal

  1. Do the «battery terminal disconnection procedure»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery)
  2. Remove the two nuts (A) securing the battery hold down plate, then remove the battery setting plate (B) and the battery (C).

Scheme 54

Scheme 54
Scheme 54

Scheme 55

Scheme 55: Installation
Scheme 55: Installation
  1. Install the battery (A), then install the battery hold down plate (B).
  2. Tighten the two nuts (C) equally until the battery is stable. NOTE: Do not deform the battery hold down plate by over-tightening the nuts.
  3. Do the «battery terminal reconnection procedure»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery) NOTE: Make sure the battery is installed correctly, and the positive and negative terminals are not reverse connected.

Parasitic Draw Check

Special Tools Required

LH41 AC/DC low current clamp meter, FLULH41A * * : Available through the Honda Tool and Equipment Program, 888-424-6857

Scheme 56

Scheme 56: Parasitic Draw Check
Scheme 56: Parasitic Draw Check

Scheme 57

Scheme 57
Scheme 57

Scheme 58

Scheme 58
Scheme 58

Scheme 59

Scheme 59
Scheme 59

Scheme 60

Scheme 60
Scheme 60
  1. Make sure the battery is fully charged, and that all the vehicle's electrical accessories are turned off.
  2. Open the hood.
  3. Disconnect the security hood switch 2P connector to allow the security system to arm itself with the hood open.
  4. Turn the ignition switch to ON (II).
  5. Turn the ignition switch to LOCK (0), and remove the ignition key from the ignition switch.
  6. Get out of the vehicle, and close all the doors.
  7. Lock the doors with the keyless transmitter.
  8. Make sure the map lights are turned off and the security alarm system is armed by confirming that the security indicator is flashing.
  9. Wait at least 20 minutes.
  10. Attach the LH41 AC/DC low current clamp meter (A) to the battery ground cable (B). Follow the equipment manufacturer's instructions, then measure the parasitic draw. NOTE: If you are using a digital multimeter, go to step 12 . Is the parasitic draw 52 mA or less? YES -Go to step 18 . NO -Go to step 11.
  11. Check for poor connections and loose terminals at the battery and the alternator terminals. Are the connections OK? YES -Do the alternator and regulator circuit troubleshooting (see «ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING»(/acura/mdx/ii-2010-2013/remont/charging-system/#charging-system__alternator-and-regulator-circuit-troubleshooting) ), and alternator control circuit troubleshooting (see «ALTERNATOR CONTROL CIRCUIT TROUBLESHOOTING»(/acura/mdx/ii-2010-2013/remont/charging-system/#charging-system__alternator-control-circuit-troubleshooting) ), then recheck. If the system is OK, the battery is flat from self-discharge. «Check the battery»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery) , then recharge or «replace the battery»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery) . NO -Reconnect the terminals, then recheck.
  12. Check the following items before measuring: The multimeter dial is set to the DCA (direct current amps) range. The red test probe is plugged into the red A (Amps) jack, and the black test probe is plugged into the COM jack. To avoid blowing an input fuse, start by setting the range above 10 A.
  13. Loosen the nut (A) of the battery negative terminal. NOTE: Follow the instructions exactly to avoid disconnecting the battery ground cable terminal from the battery negative terminal.
  14. Connect the red (+) test lead (A) to the negative terminal (B) of the battery ground cable.
  15. Slide the negative terminal of the battery ground cable upwards from the battery negative terminal so that it still makes contact and avoids disconnection. Then connect the black (-) test lead (C) to the battery negative terminal post.
  16. Disconnect the negative terminal (A) of the battery ground cable from the battery negative terminal post.
  17. Measure the parasitic draw. Is the parasitic draw 52 mA or less? YES -The system is normal at this time. NO -Go to step 18.
  18. Check if there are any aftermarket electrical accessories installed on the vehicle. Are there any aftermarket electrical accessories installed? YES -Go to step 19. NO -Go to step 21 .
  19. Make sure that the aftermarket electrical accessories have been properly installed. Are the aftermarket electrical accessories installed correctly? YES -Go to step 20. NO -Repair, reinstall, or remove the aftermarket accessories, then recheck.
  20. Disconnect the aftermarket electrical accessories one at a time, then measure the parasitic draw. Turn the ignition switch to ON (II), and then back to LOCK (0). Get out of the vehicle and close all doors. Wait at least 40 seconds. Measure the parasitic draw. Is the parasitic draw 52 mA or less? YES -Replace or repair the aftermarket electrical accessory that reduced the parasitic draw to 52 mA or less when disconnected. NO -Go to step 21.
  21. Remove the No. 4 (40 A) fuse in the main under-hood fuse box, then measure the parasitic draw. Is the parasitic draw 34.5 mA or less? YES -Go to step 22. NO -Go to step 24 .
  22. Connect immobilizer-keyless control unit 7P connector terminal No. 4 and body ground with a jumper wire.
  23. Install the No. 4 (40 A) fuse to the main under-hood fuse box, then measure the parasitic draw. Turn the ignition switch to ON (II), and then back to LOCK (0). Get out of the vehicle and close all doors. Wait at least 40 seconds. Measure the parasitic draw. Is the parasitic draw 52 mA or less? YES -Disconnect the control units from the B-CAN circuit one at a time, perform steps 1-4 above, then measure the parasitic draw. Do the input test for the control unit that reduced the parasitic draw to 52 mA or less when disconnected. NO -Disconnect the control units from the No. 4 (40 A) fuse circuit one at a time, perform steps 1-4 above, then measure the parasitic draw. Replace the control unit that reduced the parasitic draw to 52 mA or less when disconnected.
  24. Remove the No. 3 (IG) (50 A) fuse in the main under-hood fuse box, then measure the parasitic draw. Turn the ignition switch to ON (II), and then back to LOCK (0). Get out of the vehicle and close all doors. Wait at least 40 seconds. Measure the parasitic draw. Is the parasitic draw 52 mA or less? YES -Go to step 25. NO -Remove the fuses from the fuse box one at a time, perform steps 1-4 above then, measure the parasitic draw in order to isolate the circuit which contains the fault. If all circuits are OK, check the starter circuits and do the starter performance test (see «STARTER PERFORMANCE TEST»(/acura/mdx/ii-2010-2013/remont/starter/#starting-system) ).
  25. Install the No. 3 (IG) (50 A) fuse in the main under-hood fuse box.
  26. Disconnect the ignition switch 7P connector, then measure the parasitic draw. Is the parasitic draw 52 mA or less? YES -Replace the ignition switch (see «IGNITION SWITCH REPLACEMENT»(/acura/mdx/ii-2010-2013/remont/steering-column-switches/#ignition-switch) ). NO -Repair a short to ground in the wire between the No. 3 (IG) (50 A) fuse in the main under-hood fuse box and ignition switch.

Note. A battery might be discharged under these conditions

  1. Driving a vehicle 6 miles (10 km) or less per day.
  2. Leaving a vehicle parked without removing the ignition key from the ignition switch.
  3. Leaving the vehicle idling high electrical loads such as headlight, seat heaters, wipers, rear window defogger, etc.
  4. Parking the vehicle with the hood unlatched prevents the security system from arming, which causes excessive parasitic draw.
  1. «Check the battery»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery) . Recharge or «replace the battery»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery) if necessary.
  2. Start the engine, and check the charging system indicator. Does the charging system indicator go off with the engine running? YES -Go to step 4 . NO -Go to step 3.
  3. Check for PGM-FI DTCs. Are DTCs P0562, P1549, P16BB, and/or P16BC indicated? YES -Go to the indicated DTCs troubleshooting. NO -Do the drive belt inspection (see «DRIVE BELT INSPECTION»(/acura/mdx/ii-2010-2013/remont/charging-system/#charging-system) ), drive belt auto-tensioner inspection (see «DRIVE BELT REPLACEMENT»(/acura/mdx/ii-2010-2013/remont/charging-system/#charging-system__drive-belt-replacement) ), and alternator and regulator circuit troubleshooting (see «ALTERNATOR AND REGULATOR CIRCUIT TROUBLESHOOTING»(/acura/mdx/ii-2010-2013/remont/charging-system/#charging-system__alternator-and-regulator-circuit-troubleshooting) ).
  4. Check the following items: The hazard warning switch is off. The front individual map light and interior light switches are off. All of the doors, hood, and tailgate are closed. The brake pedal is not pressed. Are all of the check items OK? YES -Go to step 5. NO -Turn off the applicable switch, and «check the parasitic draw»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery__parasitic-draw-check)
  5. Lock the doors with the transmitter LOCK button. Make sure the security alarm system arms by confirming that the security indicator is flashing slowly, about once every 3 seconds. Is the security alarm system armed? YES -Go to step 6. NO -Go to the symptom troubleshooting for the security alarm system (see «DOORS AUTOMATICALLY RELOCK 30, 60, OR 90 SECONDS AFTER BEING UNLOCKED WITH THE TRANSMITTER EVEN THOUGH A DOOR HAS BEEN OPENED»(/acura/mdx/ii-2010-2013/remont/door-locks-anti-theft-systems/#keylesspower-door-lockssecurity-system__doors-automatically-relock-30-60-or) ).
  6. Check the following items with the ignition key removed from the ignition switch: The brake lights are off when the brake pedal is not pressed. The courtesy lights are off with all doors closed. The cargo area light is off with the tailgate closed. The radiator and condenser fans are not running. The audio unit (including navigation) is off. There is no operating sound from the VSA modulator-control unit. The rear window defogger and the power mirror defoggers are off. Are all of the check items OK? YES - «Check the parasitic draw»(/acura/mdx/ii-2010-2013/remont/body-electrical/#battery__parasitic-draw-check) NO -Troubleshoot and repair the affected circuits.

More articles — Electrical