Question about 2001 Saab 9-3

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Saab 2001 9-3 problems

Central warning and charge warning indicators came on. Car has stalled with no electrical systems functioning. Car can be jumped but conks out. Battery only 1 month old. What should I do?

Posted by will goodman on

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David Kassin

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Check battery voltage and clean cables. Make sure the battery ground wire to the body is in good shape. Second to check is the alternator because it can lower voltage if defective, it can be checked at auto parts store. You can also check wires leading to alternator to make sure they have not touched something too hot and melted insulation.
just lift the harness off the engine and if it sticks to the engine that could be where problem is. I hope this puts you in the proper direction.

Posted on Aug 03, 2014

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Mason Eddison

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Needs a diagnostic seems to have intermittent electrical fault. Doing an electrical diagnostic should highlight where fault lies and so identify what needs fixing.

Posted on Aug 03, 2014

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1 Answer

2003 Ford ka what colour is the wire for the alternator warning light on dash cluster


There isn't one ! This vehicle relies on serial data communication . The PCM sends an message on the data bus to the microprocessor inside the instrument cluster . The PCM controls the operation of the charging system warning indicator in the instrument cluster. The PCM is therefore responsible for turning the warning indicator off after the engine is started and illuminating it under fault conditions (when the generator is not generating the correct amount of current with the engine running). The warning indicator will also be illuminated by the PCM at key ON engine OFF, and stall conditions.
Charging System Warning Indicator
The instrument cluster receives the charging system status from the PCM over the SCP or CAN communication network. The PCM controls the charging system and the charging system warning indicator. The PCM is therefore responsible for turning the lamp off once the system is running and illuminating it under fault conditions (including stall conditions).
How to Diagnose Controller Area Network CAN Your best bet would be to take your vehicle to a qualified repair shop .

Jun 23, 2016 | 2003 Ford Focus

1 Answer

What is causing the battery to drain?


Running the car will drain the battery it if it's not charging ! An if your charging light is on it isn't charging ! Did you check power an grounds on the alternator ? There is a single heavier wire on the back of the alternator, this should have battery voltage ! You may want to take this to a ASE certified repair shop !
Functionality
With the ignition switch in the RUN position, voltage is applied through the warning indicator I circuit 904 (LG/RD) to the voltage regulator. This turns the regulator on, allowing current to flow from battery sense A circuit 35 (OG/LB) to the generator field coil. When the engine is started, the generator begins to generate alternating current (AC) which is internally converted to direct current (DC). This current is then supplied to the vehicle's electrical system through the output (B+) terminal of the generator.
Once the generator begins generating current, a voltage signal is taken from the generator stator and fed back to the regulator S circuit 4 (WH/BK). This voltage feedback signal (typically half the battery voltage) is used to turn off the warning indicator.
With the system functioning normally, the generator output current is determined by the voltage of the A circuit 35 (OG/LB). The A circuit 35 (OG/LB) voltage is compared to a set voltage internal to the regulator, and the regulator controls the generator field current to maintain the correct generator output.
The set voltage will vary with temperature and is typically higher in cold temperatures and lower in warm temperatures. This allows for better battery recharge in the winter and reduces the chance of overcharging in the summer.
Battery Positive Output (B+) Circuit 38 (BK/OG)
The generator output is supplied through the battery positive output (B+) terminal on the back of the generator to the battery and electrical system.
I Circuit 904 (LG/RD)
The I (ignition) circuit 904 (LG/RD) is used to turn on the voltage regulator. This circuit is powered up with the ignition switch in the RUN position. This circuit is also used to turn the charging system warning indicator on if there is a fault in the charging system operation.
A Circuit 35 (OG/LB)
The A (battery sense) circuit 35 (OG/LB) is used to sense battery voltage. This voltage is used by the regulator to determine generator output. This circuit is used to supply current to the generator field (rotor). The amount of current supplied to the rotor will determine generator output.
S Circuit 4 (WH/BK)
The S (stator) circuit 4 (WH/BK) is used to feed back a voltage signal from the generator to the regulator. This voltage is used by the regulator to turn off the charging system warning indicator. The S circuit is fed back externally on external mounted regulator generators.
Visual Inspection Chart Mechanical Electrical
  • Battery case, posts, hold-down clamp, cables and connections
  • Generator drive (serpentine) belt for condition and tension to make sure there is no slip between the belt and the pulley. For additional information, refer to Section 303-05 .
  • Battery charge
  • Generator pulley
  • Battery junction box (BJB)Mega Fuse
  • Battery junction box fuse:
    • 11 (20A)
  • Central junction box (CJB) fuse:
    • 30 (30A)
  • Circuitry
  • Charging system warning indicator
  • Cables
  1. Check the operation of the charging system warning indicator lamp (instrument cluster). Normal operation is as follows:
    • With the ignition switch OFF, the charging system warning indicator should be OFF.
    • With the ignition switch in RUN and the engine off, the charging system warning indicator light should be on.
    • With the engine running, the charging system warning indicator light should be off.
  1. Verify the battery condition. Refer to Section 414-01 .
Normal Charging System Voltages and Charging System Warning Indicator Operation Ignition Switch Position A Circuit 35 (OG/LB) S Circuit 4 (WH/BK) I Circuit 904 (LG/RD) Generator B+ Circuit 38 (BK/OG) Battery Engine to Battery Ground Charging System Warning Indicator Operation OFF 12 volts 0 volts 0 volts 12 volts 12 volts 0 volts Off RUN-engine off 12 volts 0 volts 1-3 volts 12 volts 12 volts 0 volts Illuminated RUN-engine running 13-
15 volts 1/2 battery voltage 13-
15 volts 13-
15 volts 13-
15 volts 0 volts Off
  1. If the customer concern is verified after the initial inspection, refer to the Symptom Chart to determine which tests to carry out.
    • The charging system warning indicator is on with the engine running (the system voltage does not increase)
    • Circuitry.
    • Voltage regulator.
    • Generator.
    • GO to Pinpoint Test B .
    Your whole problem is the alternator is not charging , a couple tests with a volt meter would tell you !

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1 Answer

I have a saab 1.9 tid the battery not charging light came on ,abs light and other warning lights and the power steering stopped working any idea what the problem is ?


Hi Dave, The problem is that the alternator is not charging, Because of this the battery voltage goes down and the reason it affects the power steering is because the power steering pump is driven by an electric motor ( not the fan belt ) so the system shuts the p/s down to keep other functions running ignition etc, so the engine will keep running to get you home. But steering will be very heavy.
Once you replace the alternator all will be fine
Hope i have been of help to you with this problem
John (South Wales UK )

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1 Answer

Looking for a wire diagram to hook up a aftermarket sterio from factory on a 2001 chev malibu


In this car you will need an stereo adapter. Some functions of the cars warning system are in the radio. You use this adapter to replace the factory radio. The adapter facilitates replacement of a factory radio while retaining all factory safety warning chimes and audible turn signal indicators. These adapters are compatible with amplified and non-amplified audio systems. Will retain all safety warning chimes. See this web site for more info. Autosound Central. With the right adapter you do not need a wiring diagram. It will be plug and play.

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Electrical power system service required.....ABS warning light, generator warning light, brake failure...car stalled and wont't restart


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2004 volvo s60. need help asap


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1 Answer

While driving my saab, alot of warning lights came and stalls


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Jan 21, 2010 | 2001 Saab 9-3

3 Answers

2001 saab 9-5 electric door lock system does not function


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Mar 13, 2009 | 2001 Saab 9-3

1 Answer

Battery not holding charge


Hi,

From initial indications, your analysis is correct. Pls replace the battery. Of course the only way to validate this is with a new battery.

The electrical system of most vehicles could be divided into two, the charging system and the load. The load would be from the headlights, to the computer and all the electrical consumer of the car. If there is anything wrong with any of the load, the fuse would be blown. On the other hand, the charging system is as its name implies, restores the electrical energy of the battery once the engine is running. If something is wrong (battery not charging), then there would be a warning indicator in the dashboard.

Since you have not reported any of the fuses blown or any of your electrical devices not functioning nor any warning lights, then in all likelihood, it is just the battery.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 21, 2008 | 2004 Saab 9-3

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