2021 HONDA ODYSSEY dead battery

734
Handling the Unexpected
Engine Does Not Start
Checking the Engine
If the engine does not start, check the starter.
Starter conditionChecklist
Starter doesn’t turn or turns
over slowly.
The battery may be dead. Check
each of the items on the right and
respond accordingly.Check for a message on the dr iver information interface.
• If the To Start, Hold Remote Near Start Button message appears
2If the Remote Battery is Weak P. 735
uMake sure the remote is in its operating range.
2 ENGINE START/STOP Button Operating Range P. 198
Check the brightness of the interior lights.
Turn on the interior lights and check the brightness.
• If the interior lights are dim or do not come on at all
2 Battery P. 708
•If the interior lights come on normally 2 Fuses P. 747
The starter turns over normally
but the engine doesn’t start.
There may be a problem with the
fuse. Check each of the items on
the right and respond accordingly. Review the engine start procedure.
Follow its instructions, and try to start the engine again.
2
Starting the Engine P. 552
Check the immobilizer system indicator.
When the immobilizer system indicator is blinking, the engine cannot be started.
2Immobilizer System P. 191
Check the fuel level.
There should be enough fuel in the tank.
2 Fuel Gauge P. 127
Check the fuses.
Check all fuses, or have the vehicle checked by a dealer.
2Inspecting and Changing Fuses P. 753
If the problem continues:
2Emergency Towing P. 754
1Checking the Engine
If you must start the vehi cle immediately, use an
assisting vehicle or booster battery to jump start it.
2 If the Battery Is Dead P. 737
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737Continued
Handling the Unexpected
If the Battery Is Dead
Turn off the power to electric devices, such as audio and lights. Turn off the engine,
then open the hood. 1.Connect the first jumper cable to your
vehicle’s battery + terminal.
2. Connect the other end of the first jumper
cable to the booster battery + terminal.
u Use a 12-volt booster battery only.
u When using an automotive battery
charger to boost your 12-volt battery,
select a lower charging voltage than 15-
volt. Check the charger manual for the
proper setting.
3. Connect the second jumper cable to the
booster battery - terminal.
4. Connect the other end of the second
jumper cable to the engine mounting bolt
as shown. Do not connect this jumper cable
to any other part.
5. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
6. Attempt to start your ve hicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.
■Jump Starting Procedure1 If the Battery Is Dead
Securely attach the jumper cables clips so that they
do not come off when the e ngine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
Battery performance degrades in cold conditions and
may prevent the engi ne from starting.
3WARNING
A battery can explode if you do not follow
the correct procedure, seriously injuring
anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the battery.
Booster Battery
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738
uuIf the Battery Is Dead u
Handling the Unexpected
Once your vehicle’s engine has started, re move the jumper cables in the following
order.
1. Disconnect the jumper cable from your vehicle’s engine mounting bolt.
2. Disconnect the other end of the jumper cable from the booster battery -
terminal.
3. Disconnect the jumper cable from your vehicle’s battery + terminal.
4. Disconnect the other end of the jumper cable from the booster battery +
terminal.
Have your vehicle inspected by a n earby service station or a dealer.
■What to Do After the Engine Starts
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767Continued
Information
Emissions Testing
Testing of Readiness Codes
Your vehicle has readiness codes as part of the onboard self diagnostic system.
Some states use these codes for testing to verify whether your vehicle’s emissions
components are working properly.
The codes may not be read properly if testing is performed just after the battery has
gone dead or been disconnected.
To check if they are set, set the power mo de to ON, without starting the engine. The
malfunction indicator lamp will come on for several seconds. If it then goes off, the
readiness codes are set. If it blinks fi ve times, the readiness codes are not set.
If you are required to have your vehicle te sted before the readiness codes are ready,
prepare the vehicle for retest ing by doing the following:
1. Fill the gas tank to approximately 3/4 full.
2. Park the vehicle and leave the engine off for 6 hours or more.
3. Make sure the ambient temperature is between 40°F and 95°F (4°C and 35°C).
4. Start the engine without touching the ac celerator pedal, and let it idle for 20
seconds.
5. Keep the vehicle in
(P. Increase the engine speed to 2,000 rpm, and hold it there
for about 3 minutes.
6. Let the engine idle with your foot off the accelerator for 20 seconds.
1Testing of Readiness Codes
The readiness codes are erased when the battery is
disconnected, and set again onl y after several days of
driving under a variety of conditions.
If a testing facility determines that the readiness
codes are not set, you may be requested to return at
a later date to complete the test.
If the testing facility determines the readiness codes
are still not set, see a dealer.
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776
Index
CD Player ................................................... 349
Center Pocket ............................................ 243
Certification Label .................................... 764
Changing Bulbs ......................................... 688
Charging System Indicator ................. 92, 742
Child Safety ................................................. 67
Childproof Door Locks ............................. 169
Child Seat .................................................... 67
Booster Seats ............................................. 84
Child Seat for Infants ................................. 69
Child Seat for Small Children ..................... 70
Installing a Child Seat with a Lap/Shoulder
Seat Belt .................................................. 77
Larger Children .......................................... 83
Rear-facing Child Seat ............................... 69
Selecting a Child Seat ................................ 71
Using a Tether ........................................... 79
Childproof Door Locks .............................. 169
Cleaning the Exterior ............................... 717
Cleaning the Interior ................................ 714
Climate Control System .................... 263, 268
Changing the Mode ........................ 263, 268
Defrosting the Windshield and Windows ....................................... 264, 270
Dust and Pollen Filter ............................... 713
Recirculation/Fresh Air Mode ........... 263, 270
Sensors ............................................ 267, 274
Using Automatic Climate Control .... 263, 268
Clock .......................................................... 154
Coat Hooks ................................................ 246
Compact Spare Tire .......................... 725, 763 Console Box
.............................................. 242
Console Compartment with Lid .............. 243
Controls ..................................................... 153
Coolant (Engine) ...................................... 683
Adding to the Radiator ............................ 684
Adding to the Reserve Tank..................... 683
Overheating ............................................ 739
Temperature Gauge ................................ 127
Creeping (Automatic Transmission) ........ 559
Cup Holders .............................................. 244
Customer Service Information ................. 773
Customized Features ................ 143, 459, 465
D
Daytime Running Lights .......................... 206
Dead Battery ............................................. 737
Defaulting All the Settings ...................... 483
Defrosting the Windshield and Windows ......................................... 264, 270
Detachable Anchor .................................... 45
Devices that Emit Radio Waves ............... 765
Dimming Headlights ............................................... 202
Rearview Mirror....................................... 219
Dipstick (Engine Oil) ................................. 679
Directional Signals (Turn Signal) ............. 201
Door Mirrors ............................................. 220 Doors
........................................................ 156
Auto Door Locking.................................. 170
Auto Door Unlocking .............................. 170
Door and Tailgate Open Message ............. 39
Keys........................................................ 156
Locking/Unlocking the Doors from the Inside .................................................... 166
Locking/Unlocking the Doors from the
Outside ................................................. 159
Lockout Prevention System ..................... 165
DOT Tire Quality Grading ........................ 702
Driver Information Interface ................... 128
Accessing Content .................................. 130
Warning and Information Messages ........ 108
Driving ...................................................... 539
Automatic Transmission .......................... 559
Braking ................................................... 640
Shifting Gear .......................................... 560
Starting the Engine ................................. 552
Driving Position Memory System ............ 216
Dust and Pollen Filter .............................. 713
E
Eco Assist® System ...................................... 13
Econ Mode Indicator ................................................... 99
Electric Power Steering (EPS) System Indicator ........................................... 96, 745
Electronic Stability Control (ESC) ............ 576
Emergency ................................................ 754
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