Question about 1999 Mercury Sable

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Short circuit I have a short circuit of about 1 Amp that discharge my battery in 10 hours more or less. The only way I can resolve the problem is disconnect the positive boned of the battery. I find out that if I pull-out the fuse that control electrical windows and doors the short disappear. Please help with some ideas Regards Jorge

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Just and idea, silly or not, try replacing that fuse with a new one.....

Posted on Feb 03, 2009

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Where is the fuel pump relay and how can e serviced?


Description

*: ECM determines the start signal status by the signals of engine speed and battery voltage.
The ECM activates the fuel pump for several seconds after the ignition switch is turned ON to improve engine start ability. If the ECM receives a engine speed signal from the camshaft position sensor (PHASE), it knows that the engine is rotating, and causes the pump to operate. If the engine speed signal is not received when the ignition switch is ON, the engine stalls. The ECM stops pump operation and prevents battery discharging, thereby improving safety. The ECM does not directly drive the fuel pump. It controls the ON/OFF fuel pump relay, which in turn controls the fuel pump.

Component Function Check
1.CHECK FUEL PUMP FUNCTION
1. Turn ignition switch ON.
2. Pinch fuel feed hose (2) with two fingers.
1 : Air cleaner assembly


Fuel pressure pulsation should be felt on the fuel feed hose for 1 second after ignition switch is turned ON.
Is the inspection result normal? YES >> INSPECTION END
NO >> EC-466, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Turn ignition switch ON.
4. Check the voltage between ECM harness connector and ground.


Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect IDPDM E/R harness connector F10.
3. Check the continuity between IPDM E/R harness connector and ECM harness connector.

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
3.CHECK CONDENSER-1 POWER SUPPLY CIRCUIT-I
1. Reconnect all harness connectors disconnected.
2. Disconnect condenser-1 harness connector.
3. Turn ignition switch ON.
4. Check the voltage between condenser-1 harness connector and ground.


Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK 15A FUSE
1. Turn ignition switch OFF.
2. Disconnect 15A fuse (No. 32) from IPDM E/R.
3. Check 15A fuse.
Is the inspection result normal? YES >> GO TO 6.
NO >> Replace fuse.
5.CHECK CONDENSER-1 POWER SUPPLY CIRCUIT-II
1. Disconnect IPDM E/R harness connector E18.
2. Check the continuity between IPDM E/R harness connector and condenser-1 harness connector.

3. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 13.
NO >> GO TO 7.
6.DETECT MALFUNCTIONING PART
Check the following.
??? Harness connectors E29, B10
??? IPDM E/R connector F10
??? Harness for open or short between IPDM E/R and condenser-I
>> Repair open circuit or short to power in harness or connectors.
7.CHECK CONDENSER GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect dropping resistor harness connector.
3. Check the continuity between condenser-I harness connector and ground.

4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair open circuit or short to power in harness or connectors.
8.CHECK CONDENSER-1
Refer to EC-469, "Component Inspection (Condenser-1)".
Is the inspection result normal? YES >> GO TO 9.
NO >> Replace condenser-1.
9.CHECK FUEL PUMP POWER SUPPLY CIRCUIT-III
1. Disconnect ???fuel level sensor unit and fuel pump??? harness connector.
2. Check the continuity between IPDM E/R harness connector and ???fuel level sensor unit and fuel pump??? and ground.

Is the inspection result normal? YES >> GO TO 11.
NO >> GO TO 10.
10.DETECT MALFUNCTIONING PART
Check the following.
??? Harness connector E29, B10
??? Harness for open or short between ???fuel level sensor unit and fuel pump??? and IPDM E/R
??? Harness for open or short between ???fuel level sensor unit and fuel pump??? and ground
>> Repair open circuit or short to power in harness or connectors.
11.CHECK FUEL PUMP GROUND CIRCUIT
1. Check the continuity between ???fuel level sensor unit and fuel pump??? and ground.

2. Also heck harness for short to power.
Is the inspection result normal? YES >> GO TO 12.
NO >> Repair open circuit or short to power in harness or connectors.
12.CHECK FUEL PUMP
Refer to EC-469, "Component Inspection (Fuel Pump)".
Is the inspection result normal? YES >> GO TO 13.
NO >> Replace fuel pump.
13.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
Is the inspection result normal? YES >> Replace IPDM E/R.
NO >> Repair or replace harness or connectors.
Component Inspection (Fuel Pump)
1.CHECK FUEL PUMP
1. Turn ignition switch OFF.
2. Disconnect ???fuel level sensor unit and fuel pump??? harness connector.
3. Check resistance between ???fuel level sensor unit and fuel pump??? terminals as follows.


Is the inspection result normal? YES >> INSPECTION END
NO >> Replace ???fuel level sensor unit and fuel pump???.
Component Inspection (Condenser-1)
1.CHECK CONDENSER
1. Turn ignition switch OFF.
2. Disconnect condenser-1 harness connector.
3. Check resistance between condenser-1 terminals as follows.


Is the inspection result normal? YES >> INSPECTION END
NO >> Replace condenser-1.
Fuel injector Description The fuel injector is a small, precise solenoid valve. When the ECM supplies a ground to the fuel injector circuit, the coil in the fuel injector is energized. The energized coil pulls ...
Ignition signal Description The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induc ...
Other materials: Heater & cooling unit assembly
Removal and Installation COMPONENTS 1. Steering member 2. Heater and cooling unit 3. Blower unit REMOVAL 1. Discharge the refrigerant from the A/C system. Refer to HA-24, "HFC-134a (R-134a) Service Procedure". 2. Drain the engine coolant from the cooling system. Refer to CO-1 ...
On-vehicle repair
WHEEL HUB Removal and Installation 1. Knuckle 2. Baffle plate 3. Wheel hub assembly 4. Brake rotor 5. Wheel nut 6. Anchor block 7. ABS sensor 8. Parking brake cable A. Refer to PB-6, "PEDAL TYPE : Exploded View" (Pedal type), PB-7, "LEVER TYPE : Exploded View" (Leve ...
P0011, P0021 IVT control
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P0011 or P0021 is displayed with DTC P0075 or P0081, first perform the trouble diagnosis for DTC P0075, P0081. Refer to EC-1191, "DTC Logic". DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previousl ...

Mar 02, 2016 | Cars & Trucks

1 Answer

Why is fully-charged battery too low to start within 6 hours?


It is not impossible for new batteries to be at fault , check with high discharge tester, if OK there is a short circuit or something using up power such as stop lights on. to check remove the + terminal on the battery insert a amp meter current draw should be almost zero , small current draw will be from clock ECT.

Dec 11, 2015 | 1998 Dodge Stratus

1 Answer

Find a short in my 1996 dodge caravan 3.0 v-6


Pull fuses one at a time to see which circuit it's on when the short goes away, battery neg off and a amp meter between the cable & battery, draw should be .2 or .3 amps less is better after about ten minute wait.

Oct 02, 2014 | 1996 Dodge Caravan

1 Answer

Can the current usage by Speedo-Meter when car is switched-off which can drain the battery completely overnight


To check this remove the earth wire on the battery and connect an amp meter in the circuit. If the current draw is less than 1 amp ( even that will be excessive for instruments ) the battery should last 48 hours . I would be checking for a heavy current draw indicating a unit shorting out internally or a battery that has an internal short problem. Have a load test done on the battery to check this. Clocks and speedo and odometer always use power after being switched off as that is how they keep time and mileage recordings so the current draw is in milliamps. Even the ECM draws power when off as that is how it keeps the CPU program going and why sometimes the problems start when the battery is changed out or disconnected.

Apr 12, 2014 | 2004 Mercedes-Benz Mercedes Benz E Class

1 Answer

Power seat has lost power, right side power windows lost power. Can not find the fuse or relay.


there is a bulletin at gm site in regard to this problem. check the wiring near the parking brake ratchet teeth for damage, also check under the drivers seat where the seat bottoms out wiring could be pinched there or the drivers side door sill.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
<A href="http://service.gm.com/servlets/BlobShtml?ShtmlFile=1734688&psdid=1058&evc=sm#ss1-1734688">Condition/Concern:

There have been reports of either the MBEC 1 or LBEC 1 maxi fuse blown intermittently and unable to locate a short to ground.
<A href="http://service.gm.com/servlets/BlobShtml?ShtmlFile=1734688&psdid=1058&evc=sm#ss2-1734688">Recommendation/Instructions:

If after normal diagnostics no shorts can be found the below items have been reported:
  1. <LI type=1>"MBEC 1" Maxi Fuse 50 Amp (SI Documenticon1.png ID # 1242532). If no shorts are located on circuit 642, inspect circuits 1340 after the "Rt Door" circuit breaker 25 amp and circuit 1440 after the "Seat" circuit breaker 30 Amp (SI Document ID # 1242687).
    • Inspect circuit 1340 shorted to ground near the right I/P support bracket.
    • Inspect circuit 1340 or 1440 shorted to ground on the support bracket for the I/P relay block.
    • Inspect circuit 1440 shorted to ground under or in either front seat.
    • Inspect circuit 1440 shorted to ground near the parking brake pedal assembly. The short may only occur if the parking brake pedal is depressed.
  2. "LBEC 1" Maxi Fuse 50 AMP (SI Document ID # 1242532).- If no shorts are located on circuit 42 inspect circuit 1240 after the "Lt Door" circuit breakericon1.png 25 amp (SI Document ID # 1242687).
    - Inspect circuit 1240 shorted to ground near the parking brake pedal assembly. The short may only occur if the parking brake pedal is depressed.
Note: Replacement of the circuit breaker is needed if a short to ground is found on circuit 3, 1240, 1340, or 1440.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

Aug 19, 2013 | Chevrolet 1500 Cars & Trucks

1 Answer

Skoda yeti battery discharge over night


dear you should test , the charging while light On, its must be 13to 14 volt ,alternator will be noisy when more charging , if there any short circuit when use head light ,

Apr 01, 2013 | Skoda Yeti Cars & Trucks

1 Answer

Short circuit break lights not working on 2005 Toyota corolla ce


Do you even know what a short circuit is?

If you had one, then a fuse would be blown,
& replacing it wouldn't fix a thing,you would
have to resolve the wiring issue or short to ground

You need to be able to use a volt meter & test the
power or battery voltage to the brake lights,brake
switch & such

Wiring diagrams make a 6 day task into about an hour or more

Mar 07, 2013 | Cars & Trucks

1 Answer

How to repair the p1646


Looks like Lambda sensor fault,

Fault Code:- P1646 Indicates a Power-train fault


The fault is generally due to a problem in the Computer & Output Circuit area


Fault Description: ECM HO2 Sensor control malfunction -bank 1 upstream (1/1)

Action of ECM:- ECM Default:- HO1S 1/1 control circuit inhibited


After clearing the DTC, complete the Drive vehicle for 10 minutes
Check for a reoccurrence of fault DTC.


Possible Fault:- HO2 Sensor 1/1 heater failure HO2 Sensor 1/1 sensing circuit: short circuit to ground, short circuit to high voltage, open circuit ECM Failure

See http://www.bluejag.co.uk for more info

Aug 30, 2011 | 2002 Jaguar X-Type

1 Answer

Where is the MAP sensor located on a 2005 Cobalt and how do I replace it?


Hi, there are 3 different engines for the 2005 Cobalt. I have pasted instructions from Autozone.com for all 3 below. I recommend you run the test also pasted below before buying a new sensor. If your sensor passes the test, please get back to me with your symptoms and/or trouble code for alternate repair advice. Please let me know if you have any questions, and thanks for using FixYa.
Removal & Installation2.0L Engine
Supercharger Inlet Pressure (Scip) Sensor
jturcotte_2008.gif



Fig. Manifold Absolute Pressure (MAP) SCIP sensor location-2.0L engine

  1. Disconnect the Supercharger Inlet Pressure (SCIP) sensor harness connector.
  2. Remove the SCIP sensor (1) from the supercharger.
    WARNING: If the SCIP sensor seal is damaged, the SCIP sensor must be replaced.
  3. Inspect the seal for damage.

To install:
NOTE: Use the new SCIP sensor seal provided with the new SCIP sensor.
  1. Install the SCIP sensor (1) into the intake manifold. Tighten the bolt to 89 inch lbs. (10 Nm).
  2. Connect the SCIP sensor harness connector.
Temperature Manifold Absolute Pressure (Tmap) Sensor
jturcotte_2009.gif

Fig. Manifold Absolute Pressure (MAP) TMAP sensor location-2.0L engine

  1. Disconnect the Temperature Manifold Absolute Pressure (TMAP) sensor harness connector.
  2. Remove the TMAP sensor from the intake manifold.
    WARNING: If the TMAP sensor seal is damaged, the TMAP sensor must be replaced.
  3. Inspect the seal for damage.
To install:
NOTE: Use the new TMAP sensor seal provided with the new TMAP sensor.
  1. Install the TMAP sensor into the intake manifold. Tighten the bolt to 89 inch lbs. (10 Nm).
  2. Connect the TMAP sensor harness connector.
2.2L & 2.4L Engines
jturcotte_2010.gif

Fig. Manifold Absolute Pressure (MAP) sensor location-2.2L & 2.4L engines

  1. Remove the throttle body.
  2. Disconnect the engine harness electrical connector from the Manifold Absolute Pressure (MAP) sensor.
  3. Remove the MAP sensor and seal.

To install:
  1. Lubricate the NEW MAP sensor seal with clean engine oil.
  2. Install the MAP sensor into the intake manifold.
  3. Connect the engine harness electrical connector to the MAP sensor.
  4. Install the throttle body.
Testing
  1. Verify the integrity of the entire air induction system by inspecting for the following conditions:
    Any damage to, or hairline fractures of, the MAP sensor housing, Loose or improper installation, Any vacuum leak
  2. Verify that restrictions do not exist in the MAP sensor port or vacuum source.
  3. Determine the current vehicle testing altitude. Ignition ON, observe the scan tool BARO Sensor parameter.
  4. Use the scan tool and compare the MAP Sensor parameter to a known good vehicle, under various operating conditions.

Circuit Testing
jturcotte_556.jpg

Fig. Manifold Absolute Pressure (MAP) connector end view-2.0L & 2.2L engines
jturcotte_557.jpg

Fig. Manifold Absolute Pressure (MAP) connector end view-2.4L engine

NOTE All electrical components and accessories must be turned OFF, and allowed to power down.

  1. With the ignition OFF, disconnect the MAP harness connector at the MAP sensor.
  2. Test for less than 5 ohms of resistance between the low reference circuit terminal 2 and ground-2.0L & 2.2L (A and ground-2.4L).
    1. If greater than the specified range, test the low reference circuit for an open/high resistance.
    2. If the circuit tests normal, replace the ECM.
  3. With the ignition ON, test for 4.8-5.2 volts between the 5 volt reference circuit terminal 1 and ground-2.0L & 2.2L (C and ground-2.4L).
    1. If less than the specified range, test the 5 volt reference circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the ECM.
    2. If greater than the specified range, test the 5 volt reference circuit for a short to voltage. If the circuit tests normal, replace the ECM.
  4. Verify the scan tool MAP sensor parameter is less than 1 kPa.
    1. If greater than the specified range, test the signal circuit terminal 3-2.0L & 2.2L for a short to voltage.
    2. If the circuit tests normal, replace the ECM.
  5. Install a 3A fused jumper wire between the signal circuit terminal 3-2.0L & 2.2L and the 5 volt reference circuit terminal 1-2.0L & 2.2L. Verify the scan tool MAP sensor parameter is greater than 126 kPa.
    1. If less than the specified range, test the signal circuit terminal 3-2.0L & 2.2L for a short to ground or an open/high resistance.
    2. If the circuit tests normal, replace the ECM.
  6. If all circuits test normal, test or replace the MAP sensor.

Component Testing

NOTE You must perform the circuit/system testing, in order to verify the integrity of the MAP sensor circuits, before proceeding with the component testing.
  1. Turn ON the ignition, with the engine OFF, and remove the MAP sensor.
  2. Install a 3A fused jumper wire between the 5 volt reference circuit terminal 1-2.0L & 2.2L and the corresponding terminal of the MAP sensor.
  3. Install a jumper wire between the low reference circuit terminal 2-2.0L & 2.2L of the MAP sensor and ground.
  4. Install a jumper wire at terminal 3-2.0L & 2.2L of the MAP sensor.
  5. Connect a DMM between the jumper wire from terminal 3 of the MAP sensor and ground.
  6. Install the J 35555 to the MAP sensor vacuum port. Slowly apply vacuum to the sensor while observing the voltage on the DMM. The voltage should vary between 0-5.2 volts, without any spikes or dropouts.
  7. If the voltage is not within the specified range or is erratic, replace the MAP sensor.

Aug 04, 2011 | 2005 Chevrolet Cobalt

1 Answer

Turn key...nothing.....radio...ac....lights work....is it my starter?


If there is nothing, you probably have a dead battery-nothing else would cause no crank/lights or accessories unless it was a bad connection at your battery terminals. charge the battery with a battery charger ) a 2 amp charger would take a couple of days, 10 amp about 8 to 10 hours and a 50 amp about 3 hours, but charging slowly is better for the battery)- If you have a voltage meter, chances are your battery is well below 12 volts, and as it sits it should recover somewhat, but probably you will still need to at least charge it. Conventional batteries do not do well with full discharges and it can 'kill' even a fairly new battery in short order, so prepare for the possiblilty that you need to replace it.

Jul 04, 2011 | 2000 Chevrolet 3500

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