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Cant figure out how to use respironics pulse oxometer at home

Supposed to monitor 4hrs sleep with oxometer but it is not working

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  • Cars & Trucks Master
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List this in a catagory closer to the uses of this device. You are in the Cars and Trucks section, doubt if anyone knows this stuff in this catagory.

Posted on Nov 01, 2012

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Posted on Jan 02, 2017

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Sys 154 dia 93 pulse 125


Your blood pressure rises with each heartbeat and falls when your heart relaxes between beats. While BP can change from minute to minute with changes in posture, exercise, stress or sleep, it should normally be less than 120/80 mm Hg (less than 120 systolic AND less than 80 diastolic) for an adult age 20 or over.

The normal pulse for healthy adults ranges from 60 to 100 beats per minute. The pulse rate may fluctuate and increase with exercise, illness, injury, and emotions. Females ages 12 and older, in general, tend to have faster heart rates than do males.

Mar 01, 2015 | Cars & Trucks

1 Answer

Cruise control pulsing on 2001 town and country


U need a new dealer. What is he there for? Aren't they supposed to be the experts on your car? If your cruise control does not work properly doesn't it make sense to trouble shoot or replace the module that controls that aspect of your car?

Sep 08, 2017 | Cars & Trucks

1 Answer

Underhood fusebox fuse #13 50 amp what is it for


The large MAXI fuses in the engine compartment fuse block are the MAIN fuses. They supply voltage to several other fuses or circuits.

MAXI Fuse #13 in your 1996 Ford Ranger is supposed to be a 30 Amp fuse (not a 50 Amp) according to the power distribution diagrams as well as the fuse block detail diagram. This fuse supplies voltage to the Powertrain Control Module (PCM) power relay and to the oxygen sensor heater circuits.

Please note that it is NORMAL for this fuse to cause a draw on the battery during vehicle operation and also after engine shut down. The OBD-2 oxygen sensor heater circuit monitors run after engine shut down and key off. This can take up to 45 minutes to complete. After the O2 heater monitor has run, the PCM will go into sleep mode.

When the PCM goes into sleep mode, the battery draw from this fuse will be reduced greatly. If you are performing "ignition-off-draw" tests trying to figure out why the battery keeps going dead, it is best to use an ammeter that has a 1 or 2 amp scale. You should set-up for the test using a shunt bar. Wait for 45 minutes to an hour for all of the computer systems in the vehicle to go into sleep mode, then open the shunt. Your computer memory, radio pre-sets, clock, etc. will continue to draw without ever shutting completely off. Any draw under 300 Milliamps is considered "acceptable". It is my experience that most vehicles have an ignition-off-draw of somewhere near 150 Milliamps.

The underhood fuse box diagram can be found on page 314 in the 1996 Ford Ranger Owner's Manual.
If you do not have an Owner's Manual, you can get a PDF version HERE (direct link)

May 15, 2012 | 1996 Ford Ranger SuperCab

1 Answer

Hey i just helped my friend put a motor in is 99 gt, it turns over but no spark from the coils, ive tried eveything i can think of and still nothing


what motor?

Is the PCM power relay activating? If yes, you should hear the fuel pump hum for 5 seconds when the key is turned to ON.

If yes, then check the crankshaft position sensor and camshaft position sensors to be sure they have output to the PCM.

The crankshaft position sensor:
  • sends the powertrain control module a signal indicating crankshaft position.
  • is essential for calculating spark timing.
Crankshaft Position Sensor (Integrated Ignition Systems) The crankshaft position (CKP) sensor is a magnetic transducer mounted on the engine block adjacent to a pulse wheel located on the crankshaft. By monitoring the crankshaft mounted pulse wheel, the CKP is the primary sensor for ignition information to the powertrain control module (PCM). The trigger wheel has a total of 35 teeth spaced 10 degrees apart with one empty space for a missing tooth. The 6.8L ten cylinder pulse wheel has 39 teeth spaced 9 degrees apart and one 9 degree empty space for a missing tooth. By monitoring the trigger wheel, the CKP indicates crankshaft position and speed information to the PCM. By monitoring the missing tooth, the CKP is also able to identify piston travel in order to synchronize the ignition system and provide a way of tracking the angular position of the crankshaft relative to fixed reference (Figure 23) .


Camshaft Position Sensor The camshaft position (CMP) sensor detects the position of the camshaft. The CMP sensor identifies when piston No. 1 is on its compression stroke. A signal is then sent to the powertrain control module (PCM) and used for synchronizing the firing of sequential fuel injectors. The Coil On Plug (COP) Ignition applications also use the CMP signal to select the proper ignition coil to fire. The input circuit to the PCM is referred to as the CMP input or circuit.
There are two types of CMP sensors: the three pin connector Hall-effect type sensor (Figure 20) and the two pin connector variable reluctance sensor (Figure 21).



A4 CHECK VREF VOLTAGE TO THROTTLE POSITION (TP) SENSOR
  • Disconnect TP sensor.
  • Key on, engine off.
  • Measure voltage between VREF and SIG RTN circuit at the TP sensor harness connector. Refer to the schematic in Pinpoint Test DH .
Is voltage between 4.0 and 6.0 volts? -------- A17 CHECK PCM DRIVER TO COILS
  • Connect incandescent test lamp between B+ and each coil driver circuit at the harness connector.
  • Crank engine.
Does lamp blink consistently and brightly (one blink per engine revolution)?

Jul 24, 2011 | 1999 Ford Mustang Cobra

2 Answers

Door panel lights wont turn off


push the door switches in by hand and see if the lights go out. Here's some diagnostic info:

Vehicles may be equipped with either a generic electronic module (GEM) or a central timer module (CTM) depending on vehicle options.
  • Vehicles with 4-wheel drive or the power group option will be equipped with a GEM.
  • Vehicles with 2-wheel drive and no power group option will be equipped with a CTM.
Courtesy Lamps The GEM and the CTM illuminate the interior lamps when any door is open or ajar. The interior lamps are: the interior lamp, the cargo lamp and the door courtesy lamp. The courtesy lamps will shut off when:
  • The doors are closed and the illuminated entry (GEM only) feature is not active.
  • The vehicle speed is greater than 15 mph (24 km/h). The interior lamps will not be reactivated until the vehicle speed is less than 10 mph (16 km/h) and a new door open warning lamp switch signal is received (GEM only).
The system inputs to the GEM/CTM are as follows:
  • The door open warning lamp switches. (Grounded when door is ajar; an open circuit when the door is closed.)
  • The vehicle speed sensor (VSS) input. (Sinusoid Wave: 0.7V-20V, 2.2 Hz/MPH [1.37 Hz/km/h] [GEM only].)
The system output to the GEM/CTM is as follows:
  • The interior lamp relay coil output. (Grounded when activated; open circuit when deactivated.)
Interior Lamp Relay The GEM and the CTM control the interior lamps and illuminated entry function with the interior lamp relay.
The relay is activated by applying ground to the relay coil through GEM C267-15, and is deactivated by removing the ground signal.
Panel Dimmer Switch The panel dimmer switch is integrated into the headlamp switch and controls the interior lamps by activating the interior lamp relay.
Illuminated Entry (GEM Only) The GEM illuminates the interior lamps when an unlock signal is received from the remote anti-theft personality (RAP) module. The illuminated entry feature will be canceled when any of the following conditions are met:
  • 25 seconds have elapsed since the illuminated entry feature was activated and the courtesy lamp feature is not activated.
  • The GEM receives a request from the RAP module (remote transmitter lock button pressed) and the courtesy lamp feature is not activated.
  • The ignition is in the RUN or START position and the courtesy lamp feature is not activated.
The illuminated entry inputs are:
  • RAP illuminated entry request. (Grounded pulse of varying length.)
  • Ignition switch in the RUN position. (Battery voltage on both the RUN and RUN/ACC inputs.)
The illuminated entry outputs are:
  • Interior lamp relay coil output. (Grounded when activated; an open circuit when deactivated.)
RAP Module The RAP module sends a signal to the GEM on the illuminated entry request circuit to indicate a request to turn the illuminated entry feature on or off. Circuit 1013 (BR/LG) is normally sent 12 volts by the GEM. The RAP module shorts this circuit to ground with a pulse of either of the following lengths:
  • 200 ms pulse from RAP receiver assembly requests illuminated entry ON (unlock button pressed).
  • 300 ms pulse from RAP receiver assembly requests illuminated entry OFF (lock button pressed).
GEM Sleep Mode The GEM and the CTM sleep mode deactivate all outputs to conserve battery power. Sleep mode is entered when the ignition has not entered the RUN or ACC position and 45 minutes has elapsed since the last wake-up input was received. In this mode, GEM current consumption is reduced to 5.0 mA or less. During sleep mode the GEM monitors the following wake-up inputs:
  • Both front door open warning lamp switches.
  • Ignition switch in the key-in, ACC and RUN position.
  • RAP illuminated entry request.
The GEM sleep mode outputs are:
  • None. (All circuits are deactivated during sleep mode.)
If a change in any of the above inputs occur while the GEM is asleep, the GEM will wake up and monitor all of its inputs and have the ability to activate any of its outputs.
The following components are under the control of the battery saver relay:
  • Interior lamp.
  • Engine compartment lamp.
  • Glove compartment lamp.
  • Panel dimmer switch.
  • Interior lamp relay.
The battery saver relay becomes active (relay coil is energized) when the GEM is in the awake mode, and is deactivated (relay coil is de-energized) in the sleep mode. The battery saver will remain active until the ignition switch is removed from the ACC or RUN position and 45 minutes have passed since the last active input was received (see sleep mode inputs). At that time, the relay will be deactivated and power to the above circuits will terminate.
The battery saver inputs are the GEM sleep mode inputs.
The battery saver output is the battery saver relay.
Inspection and Verification — GEM/CTM
  1. The interior lighting system is a generic electronic module (GEM)/central timer module (CTM) controlled system. Refer to Section 419-10 for additional information regarding GEM/CTM diagnostic strategies.
  1. Verify the customer concern by operating the interior lamps.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Switch(es)
  • Fuse(s) 14 (15A), 15 (5A), 4 (5A), 8(5A), and 103 (50A).
  • Wiring harness
  • Loose or corroded connector(s)
  • Circuitry open/shorted
  • Bulb(s)

  1. If the concern remains after the inspection, connect the New Generation STAR (NGS) Tester to the data link connector (DLC) located beneath the instrument panel, and select the vehicle to be tested from the NGS menu. If the NGS does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.

Oct 07, 2009 | 1999 Ford F250 Regular Cab

1 Answer

Marilyn


check battery. sounds like you need new one. most auto parts stores will test them for free. if thats not it probably alternater.

Jul 01, 2009 | 2005 Chevrolet Equinox

1 Answer

Cant seem to get timing right after changing head gaskets. Someone previously replaced the timing belt in it and made their own marks and it is causing difficulty for my mechanic. Anyone know where th


What motor and year? If it is the Ej 25 DOHC all the marks are on the cam sprockets except the crank is marked in the block almost straight up, Just a small notch. Good luck and hope this helps. Have a good day.

Apr 24, 2009 | Subaru Forester Cars & Trucks

2 Answers

Honda 2005 civic


this must be an american model as a europeon one only a dealer would be able to connect into the cars ECU ,try another dealer with proper motor vehicle technicians and not a few wallys that can only change the oil .sorry cant advise on this one without the manufacturers software.

Oct 18, 2008 | 2005 Honda Civic

1 Answer

Pulse in back petal


most of time when you feel a pulse it the front if you feel the pedal pulse its the rear dont forget when the front is very bad you might feel the pulse in pedal and car cheers pierre

Jun 27, 2008 | 1995 Jeep Grand Cherokee

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