How to correct low battery?

Check for low battery, replace if low. Next, check if installed properly and mounted on wall securely.. Next, are wires connected securely? Next, it the heating /cooling system working correctly? If these fail to resolve your situation, you may have to contact a technician.

Did you think of taking to a qualified repair shop ? The headlamp switch is a input to the BCM - body control module , the BCM then energizes the low beam relay . Could have DTC'S - diagnostic trouble code's stored . Also with scanner can view input data from the switch to the BCM an control circuit from BCM to the low beam relay . You people an just replacing parts . lol Your not seeing the whole picture .Your best bet , take it to a qualified repair shop .

For low beam operation, battery positive voltage is applied at all times to the coil and switch side of the low beam relay in the underhood fuse block. Ground is applied at all times from G202 to the headlamp switch. When the headlamp switch is placed in the HEAD position, ground is applied to the headlamps ON signal circuit to the body control module (BCM). When either the headlamp switch is placed in the HEAD position or ALC is enabled, the BCM applies a ground to the low beam relay control circuit. This energizes the relay and applies battery positive voltage to the LEFT and RIGHT low beam fuses in the underhood fuse block. Battery positive voltage is then applied from the fuses through the headlamp supply voltage circuit to the headlamps. Ground is applied at all times to the left headlamp from G101 and to the right headlamp from G100.

Headlamps Inoperative - Low Beams
Step
Action
Yes
No
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics
Connector End View Reference: Master Electrical Component Listin Wiring Systems.
1
Did you perform the Diagnostic System Check - Vehicle?
Go to Step 2
Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
Turn ON the headlamps.
Ensure that the headlamp dimmer switch is in the LOW position.
Do both low beam headlamps illuminate?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3
3
Is only one low beam headlamp inoperative?
Go to Step 12
Go to Step 4
4
Disconnect the body control module (BCM) connector C1.
Connect a jumper between the headlamp low beam relay control circuit and ground.
Do the low beam headlamps illuminate?
Go to Step 5
Go to Step 7
5
Reconnect the BCM connector C1.
Disconnect the multifunction switch.
Install a jumper between the headlamp switch headlamps ON signal circuit and ground.
Do the low beam headlamps illuminate?
Go to Step 9
Go to Step 6
6
Test for a poor connection , open or short to battery voltage, in the headlamp switch headlamps ON signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18
Go to Step 13
7
Remove the low beam headlamp relay.
Install a fused jumper between the battery positive voltage supply circuit and the switched low beam voltage supply circuit.
Do the low beam headlamps illuminate?
Go to Step 8
Go to Step 11
8
Test for a poor connection, open or a short to battery positive voltage in the low beam relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 10
9
Inspect for a poor connection at the harness connector of the headlamp dimmer switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 14
10
Inspect for a poor connection at the low beam relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 15
11
Inspect for a poor connection at the harness connector of the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 17
12
Inspect the inoperative low beam headlamp voltage supply and ground circuit for a high resistance, short to ground, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 16
13
Test for a short to ground or a short to battery positive voltage in the exterior lamps OFF input circuit. Refer to Circuit Testingand Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 19
Go to Step 18
14
Replace the multifunction turn signal switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column.
Did you complete the replacement?
Go to Step 19
--
15
Replace the low beam relay. Refer to Relay Replacement in Wiring Systems.
Did you complete the replacement?
Go to Step 19
--
16
Replace the inoperative low beam headlamp. Refer to Headlamp Assembly or Headlamp Bulb Replacement .
Did you complete the replacement?
Go to Step 19
--
17
Replace the underhood fuse block. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Did you complete the replacement?
Go to Step 19
--
18
Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 19
--
19
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 3

Which module ?

B1318 Battery Voltage Low Audio Control Module REFER to Section 414-00 . B1318 Battery Voltage Low DSM REFER to Section 414-00 . B1318 Battery Voltage Low DVD Player REFER to Section 414-00 . B1318 Battery Voltage Low Instrument Cluster REFER to Section 414-00 . B1318 Battery Voltage Low RCM REFER to Section 414-00 . B1318 Battery Voltage Low Satellite Radio Receiver REFER to Section 414-00 . B1318 Battery Voltage Low SJB REFER to Section 414-00 .
According to this charging system isn't working correctly ! This is a computer controlled charging system .
Principles of Operation
The powertrain control module (PCM) controlled charging system determines the optimal voltage setpoint for the charging system and communicates this information to the voltage regulator. This system is unique in that it has 2 unidirectional communication lines between the PCM and the generator/regulator. Both of these communication lines are pulse-width modulated (PWM). The generator communication (GEN COM) line communicates the desired setpoint from the PCM to the voltage regulator. The generator monitor (GEN MON) line communicates the generator load and error conditions to the PCM. The third pin on the voltage regulator, the A circuit pin, is a dedicated battery voltage sense line.
The charging system voltage is controlled by the PCM. The generator charges the battery and at the same time supplies power for all of the electrical loads that are required. The battery is more effectively charged with a higher voltage when the battery is cold and a lower voltage when the battery is warm. The PCM is able to adjust the charging voltage according to the battery temperature by using a signal from the intake air temperature (IAT) sensor. This means the voltage setpoint is calculated by the PCM and communicated to the regulator by a communication link.
The PCM simultaneously controls and monitors the output of the generator. When the current consumption is high or the battery is discharged (the PCM recognizes this and increases the output of the generator to accommodate), the system is also able to increase the idle speed to increase the charge.
To minimize the engine drag when starting the engine, the PCM does not allow the generator to produce any output until the engine has started. The PCM then progressively increases the output of the generator.
The PCM turns the charging system warning indicator off after the engine is started and illuminates it under fault conditions (when the generator is not generating the correct amount of current with the engine running). The charging system warning indicator is also illuminated by the PCM whenever the key is ON with the engine OFF.
This is a System 4 charging system, which uses the GEN MON and GEN COM lines to control and monitor the charging system through the PCM. System 4 charging systems are virtually identical in design and therefore, share the same diagnostics. The circuit numbers and colors may be different, but the functions are the same.

Sure, if they are both the same voltage and the capacity of the boost battery is sufficient AND you connect them correctly. DO NOT connect the cables backwards. Connect the cables Positive to Positive and Negative to Negative. The grounding cable is best connected to the frame ground or something other than the bike battery post. If the boosting electrical system engine is running and charging while boosting the weak battery the boosting system will be assisted in providing necessary current from the running charging system. Do not boost a wet type battery if it is dry or very low on water. It will be somewhat low if it is discharged, but should not be dry or very low. If it is an AGM type battery rather than a wet type this will not apply. If you have to replace the battery an AGM type will be the better choice for many reasons.

This is where proper diagnosis comes in...as the TPS sensor voltage low because of a failed TPS sensor? Or was the TPS voltage low due to low battery voltage at the control module? Did you bother to check for the proper voltage at the TPS sensor connector before throwing parts at the problem? If the battery voltage goes low, it is NORMAL for the engine to not idle correctly. Low voltage at the control module can cause the computer to lose all of its "learned" data. It will have to "re-learn" how to idle the engine. This can sometimes take a few days. This is exactly WHY I keep telling people to not be disconnecting batteries in an attempt to "clear" computer fault codes.
If your battery has been going dead, you need to properly test and diagnose your battery and charging system. If this system is not working correctly, there is NO WAY your computer network can function correctly. - this MUST be diagnosed and repaired FIRST!

disconnect the battery with the car running if it dies then its the alternator. You can also dive it to an auto parts store and they will check the charging system for you, it a free service Tim

Call your Central Station and put your account on test if it is a monitored system.

Power down the system. Disconnect the battery, then the AC adapter. Then plug the battery in first, then the AC adapter. Plugging the AC adapter in first can cause the low battery message.

if that doesn't work, with the battery disconnected, measure the voltage of the battery with a multimeter. If it reads less than 5.4 volts, the battery is bad. Bad out of the box batteries are not too uncommon.

Next, check the charging voltage from the panel. Measure DC voltage from the leads that connect to the battery. They should read around 6 Volts DC. If the charging circuit is bad, it will cause a low battery trouble and the console will need to be repaired or replaced.

Hope this helps.

use multitester to check the battery of the cmos..
set the multitester to DCV 10..
and watch out for the pollarity of the battery..

You can silence trouble beeps by arming and disarming the system or by pressing status button; however, trouble beeps resume after 4 hours if the trouble condition as not been fixed. You can turn the trouble beeps off in the programming option 40. This should be done by your security professional because any mistake you could change other parameters in the system and the system may not work correctly. Hope this helps

Response 1 is correct. If you plugged the transformer into an outlet before connecting the battery the system wont see the battery and give you that error. Should be a simple fix however. Unplug the battery and then the transformer, then reverse the process. Plug in the battery and your Simon should power up, then plug in the transformer. If this doesn't help then you should replace the battery. Did you buy the system from a dealer and have it professionally installed or did you do-it-yourself? If it was professionally installed have your technician come back out to diagnose/replace the battery if needed. Good Luck.