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Engine speed sensor fuse

Want to check fuse before i replace sensor

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Hi, I am getting Faulty codes P0036, P0056, P0141, P0161 in reference Bank 1 and Bank 2 for sensors 2 on 2003 CTS.I was told the sensors where changed but codes still appear?


If the sensors were replaced an DTC'S come back has to be a wiring problem or PCM ,
The ECM detects that the HO2S heater low control circuit voltage is between 2.6-4.6 volts when the heater is commanded OFF, indicating an open HO2S heater circuit.
Is the fuse open?
All four codes refer to the heating element circuit ! there is a relay in the under hood fuse box that supplies B+ voltage to the O2 sensor heating elements . I would change that or test the relay , videos on you tube on testing relays .
MAIN Relay
--
LO SPEED Relay, HI SPEED Relay, S/P FAN Relay, PRE O2 Fuse, IGN-1 Fuse, ECM Fuse, POST O2 Fuse, and INJ Fuse
Also check
POST O2 Fuse
10 A
HO2S Bank 1 Sensor 2 and HO2S Bank 2 Sensor 2
PRE O2 Fuse
10 A
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 and HO2S Bank 2 Sensor 1

Jul 23, 2016 | 2003 Cadillac CTS

1 Answer

Where are the sensors for radiator fan merc.2002 villager


Sensors for radiator Fan ? What sensor ? The coolant temperature sensor is an input to the PCM - engine computer ! When the engine temperature reaches 200 degree's the PCM energizes 1 to 3 Cooling fan relay's in the battery junction box (fuse-relays ) The low speed fan relay , High speed fan control relay 1 , an high speed fan control relay 2 . Now what problem are you having ? Go on you tube an check out videos on testing cooling fan's , testing relay's .Before you replace a sensor you don't need too .

Apr 30, 2016 | Cars & Trucks

1 Answer

My 2005 chevrolet truck cranks but will not start occassionally


Here are some of the issues/repairs that may correct your issue.
-TCCM reflash
-TCCM replacement
-4wd button replacement
-Cold weather= ice, snow, slush on wheel speed sensors
-30amp TREC Fuse (unplug for 30 seconds)
-Encoder motor
-Encoder motor sensor
-ATC Fuse 20 amp fuse ( replace with 25 amp fuse)
-Replace Circuit 1640 (18 guage orange wire) with (16 guage orange wire)
-Driver side cab mount frame ( check for lose or corroded ground wires)
-Ground wires behind power steering pump on engine block ( check for corrosion or loseness)

Sep 14, 2014 | Chevrolet Chevy Cars & Trucks

1 Answer

Problem with idle


hi,
-please clean the throttle manifold,
- replace idle air control
- check the tps
-check MAP sensor if feeted.

Mar 05, 2014 | 1992 Chevrolet Cavalier

1 Answer

1994 honda civic speedometer odometer and trip mileage not working engine light on...any suggestings


check all of your fuses in the fuse box and check for breaks in the wires leading from the box up to the cluster, also check all of the wires for the speed sensor it goes into the transition right behind the engine block, it is possible that you may need to replace the speed sensor.images?q=tbn:and9gcrgxzo3qetnykgolsepkbf-ljadw9raprsxunuektyioy6burc0fg this is what you should be looking for.

Good Luck, and if you have any more questions feel free to contact me.

Aug 08, 2011 | 1994 Honda Civic

1 Answer

Speed metter does not working also engiine light check on


This problem may be a fuse blown, or a faulty speed sensor, wiring for speedo, or other problems with speedo cluster. You said check engine light was on, this may be related to speedo. As computer reads vehicle speed it controls trans, engine, even radio volume as vehicle changes speed. Try looking for any blown fuses first.

Oct 30, 2010 | 1998 Honda Accord

2 Answers

Engine code PO500 / PO501 /PO529 for santa fe 2004


P0500 and po501 are error codes indicating that no signal is being received from the speed sensor. he speed sensor is located on the output of the transmission and its job is to measure the speed of the output shaft. Check the continuity of the wire from the sensor to the ECU. Check that the connection is securely attached and that the pins are free of dirt and corrosion. To check the function of the speed sensor: If the socket has two pins it is probably a magnetic sensor and one pin is ground and the other should have an output AC voltage in region 0.2 to 2 volts. If the socket has three pins it is probably a hall effect sensor with one pin at reference voltage (5 volts), one pin at ground and the third with a a DC voltage in region of 0.5 to 1.5 volts.
The other code, P0529, indicates that the air circulation fan inside the car is giving intermittent performance, this could be due to warn motor brushes or a loose connector.

Oct 29, 2010 | 2004 Hyundai Santa Fe

2 Answers

My abs light came on and my speed odometer stopped working and now my truck wont shift


Without seeing the vehicle for myself, I would say that you have blown the fuse for the ECM-B. Check for this fuse in the distribution box under the hood on the driver's side of the engine compartment against the firewall. Since your vehicle is a four wheel drive, it is possible this problem originated from a mud-clogged ABS sensor, mud/debris in the wheel sensors, danaged ABS sensor wiring from off-road use, etc. Fuses blow for a reason, so if replacing the blown fuse with the exact same-rated ampacity fuse doesn't fix the problem, and it blows the fuse again immediately or shortly after replacement, DO NOT use a larger fuse: this CAN cause a fire. If the fuse re-blows, keep digging. The ABS controller may have problems, or the ABS individual wheel apply servos may be bad. The ECM's control everything from the air conditioning to the transmission shift points, so the problem could really be anywhere. Good luck. Sometimes these can be time consuming.
If I helped you, please remember to vote/comment.

Feb 15, 2010 | 1998 Chevrolet K1500

3 Answers

Which is correct veh speed sensor, with denso sensor or without?


Before I answer that, what led you to wanting to change it.? What if your wrong and neither senor is bad???

Sep 29, 2009 | 1996 Honda Civic

2 Answers

1999 chrysler cirrus transmission will not shift and no speedometer


It sounds like it may be you speed sensor at the transmission which is also called Vehicle Velocity Sensor (VVS), The sensor or the wire harness may have gone bad and needs to be replaced, but it's a good thing to have your car scanned at Auto Zone since they scan free of charge. I just want to make sure it is the VVS and not the transmission Control Module (TCM), Check the fuse under the dash and under the hood and look for any blown fuse like the TCM fuse. Good luck and hope this helps, keep me posted

Jun 24, 2009 | Chrysler Cirrus Cars & Trucks

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