Low or Dead Battery

Battery Symptom Troubleshooting - Low or Dead Battery

Low or Dead Battery

NOTE: A battery might be discharged under these conditions:

- Driving a vehicle 6 miles (10 km) or less per day.
- Leaving a vehicle parked without removing the ignition key from the ignition switch.
- Leaving the vehicle idling with high electrical loads on, such as headlights, seat heaters, wipers, rear window defogger, etc.
- Parking the vehicle with the hood unlatched prevents the security system from arming, which causes excessive parasitic draw.

1. Check the battery Battery Test. Recharge or replace the battery Removal and Replacement 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 DTC's troubleshooting.

NO -

Do the drive belt inspection Testing and Inspection, drive belt auto-tensioner inspection Testing and Inspection, and alternator and regulator circuit troubleshooting Alternator and Regulator Circuit Troubleshooting.

4. Check the following items:

- The hazard switch is off.
- The front individual map lights, interior light, ceiling light and cargo area light switches are off.
- The hood, tailgate, and all of doors 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 Parasitic Draw Check.

5. Lock the doors with the remote transmitter LOCK button. Make sure the security alarm system arms by confirming that the security indicator is flashing.

Is the security alarm system armed?

YES -

Go to symptom troubleshooting for the security alarm system Security Alarm System Will Not Arm.

NO -

Go to step 6.

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 Parasitic Draw Check.

NO -

Troubleshoot and repair the affected circuits.