Where are the diagnostic codes on a Volvo 940?
940 cars have two boxes: “A” and “B”; the former is used for engine diagnostics and ABS; the latter for SRS and cruise control. If fault codes related to the emission system are registered, the “Check Engine” lamp on the instrument panel is lit. The test cable is mounted to the side of A. There are three OBD diagnostic test modes (DTM): DTM 1.
What are the options on a Volvo S40?
For 2006, Volvo has rearranged some of the S40’s option packages and revised the cupholders. Steering wheel-mounted satellite audio controls are now standard on the 2.4i trim, and the six-speed manual transmission on T5 models gains a pushdown function to engage reverse.
Can a generic OBD reader be used on a 1996 Volvo?
Unfortunately, you cannot use a generic code reader on any of these OBD-I cars: you have to manually extract the codes from the systems as noted below. 1996+ cars have the entirely different OBD-II system which requires a computerized code scanner to read codes through a special data link.
What causes a bad diagnostic readout on a Volvo?
[Response: Chris Herbst] I have run into a LOT of Volvo products with bad diagnostic readout units, usually caused by corrosion. While it is possible that there is no signal TO the diagnostic unit, it is just as likely that either the connection in the terminal, or the connection TO the unit from the ECU computer, is bad.
What is the radio serial number on a Volvo S40?
I really need a Volvo S40 radio unlock code, the radio serial number is V00690W1749486F. Your help is greatly appreciated.
Can you take the radio out of a Volvo?
You can take the radio out by opening the tabs on either side of the radio and then pulling it out. If you are unable to remove the radio, please visit an Authorized Volvo retailer. Hint: Check the radio for a four digit code hand written on the radio.
What causes a check engine light to come on in a Volvo?
Ranging from minor to major, a slew of things can trigger the check engine light to come on in your Volvo, including (but not limited to): 1 Loose gas cap 2 Faulty fuel injector 3 Blown gasket heads 4 Faulty oxygen sensors 5 Cracked and loose hoses 6 Faulty mass air flow sensor 7 Worn out spark plugs and wiring 8 Emission control system malfunction
What’s the fault code on a 1996 Volvo?
These instructions work on any 1996 and newer Volvo including XC90, S40, S60, XC60, S70, V50 etc. You will get a fault code such as P0300. Researching this code online will give you a far deeper insight into the problem.
What to do if your check engine light is not working?
The first thing you should check is to make sure that the gas cap is on tight. Stop in a safe area, press the gas cap release button, and make sure the gas cap is tight. Open the hood and visually check for anything that looks out of the ordinary. A loose hose might cause rough running due to the vacuum leak.
Can You decode the radio on a Volvo?
Further information on decoding your Volvo car radio. Using our Volvo stereo decoding system, you are not only saving money, but also time and the hassle which is involved. Most vehicle main dealers require you to book in your vehicle and take the car and proof of ownership along before they apply for the radio code.
How to read engine codes on 1990-1993 Volvo 240?
After 3 seconds, the LED should light. Press the button again for more than 5 seconds. the codes should now be erased. You can then repeat the procedure for reading codes and you should read ‘1-1-1’ for ‘no faults stored’. I hope this post is useful and keeps everybody on the road!
What is the diagnostic code for a Volvo S70?
Same with 1998 model year Volvos, like S70, V70 and XC70 models. Then after that, codes expanded from the OBD-II to include Volvo-specific codes that OBD-II readers cannot retrieve, although many overlap in meaning. Diagnostic codes for 1995-1998 Volvos are here.
Where is the OBD code on a Volvo?
OBD-II readers will read the OBD-II codes these cars set. The OBD-II port is physically the same. I used my reader on my ex’s 2004 V70R — lower driver’s side interior, near your left knee — and it correctly reported OBD-II codes. Here is the specific 1999+ Volvo DTC code page for “the rest of the story”.
What is the Volvo diagnostic code for 1998?
Same with 1998 model year Volvos, like S70, V70 and XC70 models. Then after that, codes expanded from the OBD-II to include Volvo-specific codes that OBD-II readers cannot retrieve, although many overlap in meaning.
Where is the diagnostic system located on a Honda 940?
This diagnostic system is located behind the driver’s side strut tower in the engine compartment with a readout box with several functional modes. 940 cars have two boxes: “A” and “B”; the former is used for engine diagnostics and ABS; the latter for SRS and cruise control.
When did Volvo start using self diagnostics on cars?
General Notes on On-Board Diagnostics in Volvo RWD Cars. Volvo started using self-diagnostics on its Bosch LH 2.4 engine management systems in 1988 on 700 series non-turbo cars and in Regina-equipped cars. Earlier Bosch LH 2.2 and Turbo cars until 1990 had very limited self-diagnostic capability using an LED tester.
Where are the fuses located on a Volvo 740?
Volvo 740 (1991 – 1992) – fuse box diagram Year of production: 1991, 1992 Fuse box in instrument panel The fuses (and relays) are located in the central electrical unit behind the ashtray in the center console. Position Function Ampere rating [A] 1 Fuel pump (main), engine control system 25 2 Central locking, hazard warning …
How to reset service lamp on Volvo 740?
Press the button nearly flush with the back of the cluster for proper reset. A lot of people just remove the service bulb on this model to avoid the trouble of having to reset light every 5000 miles. N.B.: 740’s with SRS do not have service reminder lamps in these vintages. 740/940 1989-1995, 760 1988-1990, 960/90 through 2000 .
Where are the OBD contacts on a Volvo?
BE CAREFUL NOT TO LOSE/DROP THE TWO SMALL SPRINGS ON EACH LEG OF THE BUTTON! Luckily, I had a magnet handy. On both the bottom of the button and down in the test unit itself, are the contacts. Mine were filthy. 15 seconds with a Dremel, reassemble, and all is well!
What should I do about my Volvo 740?
This group is about the braking system of the Volvo 740, 760 and 780. It covers the repair of the brakes, changing brake pads, brake discs and calipers, replacing the brake servo and master cylinder, how to bleed the braking system and several other fixes of the brakes.
How do you override shiftlock on a Volvo 940?
To release the selector from this position, turn the ignition key to position II (or start the engine), depress the brake pedal, press the button on the front side of the gear selector and move the selector from (P)ark. If it is necessary to manually override the Shiftlock system, see page 6:18 for instructions.
What are the problems with a Volvo Car?
Volvo cars starting issues Electrical: Engine Starting, Charging PDF Jump-Starting Engine Procedures Jump Starting Alternator Procedures Alternator & Starter Applications & Parts Starter: Starter and Solenoid Problems Starter Will Not Engage: Start Inhibitor Switch Removing Starter Diesel Starter Fails: Wiring Fault Alternator and Charging:
Why is my Volvo Car not starting properly?
If battery voltage is recorded, the above components should be considered in good condition. If the starter clicks, but doesn’t engage, the problem is usually caused by a faulty starter solenoid that’s not engaging the starter drive gear.
What causes a Volvo Car to stall during turn?
Rich Running Problems: General Diagnostic Notes Car Stalls; Bad FPR Likely Cause Car Stalls During Turn; Bad Fuel Pre-Pump Likely Cause Poor Performance; Rich Mixture Smell: Diagnostics; Faulty FPR Poor Perfomance, Bad Acceleration: Faulty FPR
What kind of problems does the Volvo 960 have?
[Editor: 960/90 series cars suffer from numerous wiring and electrical troubles, all explained in the 960 section Emission Control Problems (High HC, CO, NOx): Emission Control Problems: High HC, CO or NOx Abbreviations: AMM = Air Mass Meter ECT = Engine Coolant Temperature sensor
What’s the OBD code for a 1995 Volvo?
Just in case your Volvo is more (or less) codes capable than it’s supposed to be, here’s an explanation of the differing OBD standards across the 1990s Volvos. We in the 850 family who have (some) 1995, and all 1996-1997 model years have it easy.
What are all the warning lights on a Volvo?
They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray), but there are nearly 50 of them so be patient! Models examined include C30, C70, S40, S60, S80, S90, C50, V60, V70, V90, XC40, XC60, XC70, and XC90.
How to find your Volvo radio security code for free?
If you leave the car off for two hours the lock will reset and you can start over. If you don’t know the code there are two ways to find out. You can contact Volvo and ask them. You will need the VIN number and ID. The easiest way to do this is go to Volvo.com and fill out a customer contact form (which asks for the VIN and a daytime phone).
Can a Volvo 760 and 780 be used?
Please note: a lot of parts and components of the Volvo 740, 760 and 780 are shared with the Volvo 240 and 260, and the Volvo 940 and 960 (also S90 and V90). Some of the repair manuals below are of a Volvo 200-series or 900-series but can be used for the Volvo 700-series as well.
What kind of engine does a Volvo 940 have?
In the United States, the 1991 Volvo 940 was offered in three versions: the 940GLE used a DOHC 16-valve version of the 2.3L engine. The 940 Turbo used a turbocharged 2.3L engine, and the 940SE included the premium leather, power seats, and body colored trim as standard.
Do you need special scan tool to read Volvo diagnostic codes?
You do not need a special scan tool to read codes. As electronic systems were added to more Volvo models, more socket options and even more diagnostic connectors were added.
How do you read the engine code on a Volvo 240?
Pull the lid off the box, and you’re presented with six sockets, a diagnostic probe, an LED and a button: With the ignition turned off, insert the probe into socket 2 (to read codes from the fuel ECU) or socket 6 (to read codes from the EZK). Turn the ignition to key position 2 without starting the engine.
Where is the service manual on a Volvo 945?
Volvo 945 (5-door estate / stationwagon with 4-cylinder redblock or 6-cylinder diesel engine) Using the Volvo service manual isn’t hard: just look for the subject described below (like the engine, bodywork or cooling system) and click on the link to open the service manual for that subject.
How does diagnostic mode work on a Volvo?
Enter the diagnostic mode by pressing the push button on the diagnostic unit for at least 1 second, but not more than 3 seconds. The red LED light will start to flash,count the number of flashes in 3 flash intervals.
The Volvo 940 service and repair manual covers the following models: Volvo 944 (4-door Volvo 940-series sedan with 4-cylinder redblock or 6-cylinder diesel engine) Volvo 945 (5-door estate / stationwagon with 4-cylinder redblock or 6-cylinder diesel engine)
What’s the top speed of a Volvo 940?
With a fuel consumption of 10.5 litres/100km – 27 mpg UK – 22 mpg US (Average), 0 to 100 km/h (62mph) in 9.3 seconds, a maximum top speed of 127 mph (205 km/h), a curb weight of 2976 lbs (1350 kgs), the 940 2.3 Turbo has a turbocharged In-line 4 cylinder engine, Petrol motor, with the engine code B230FT. This engine…
How big is the fuel tank on a 1993 Volvo 940?
1993 Volvo 940 the range of 23-36° F (-5 – + 2° C). At low speeds or when the car is not moving, the temperature readings may be slightly higher than the actual ambient temperature due to heat generated by the engine. 2 Fuel gauge The total fuel tank capacity is approx. 19.8 US gals (75 liters).
What kind of ignition system does a Volvo 240 have?
This article covers 1985-1989 Volvo 240’s, 740’s, and 940’s with the Bosch LH2.2 Ignition/Fuel control system, as well as other years which have been fitted with the distributor and ignition module this car used. The Bosch Hall effect distributors let you use almost any MegaSquirt variant out there.
How to MegaSquirt your Volvo 240, 740, or 940?
Put the jumper on J1 in the 1-2 position for optical output. Get a 1K 1/4w resistor and cut the leads down to about 1/2″ at each end. Maybe a bit less. Tin each end of the resistor with a bit of solder. Cut a 5″ piece of hookup wire (22ga is fine) and strip just a 1/8″ or so.
How are ignition codes stored on a Volvo?
The flashes will be seperated by 3 second intervals.Make note of all codes. If no codes are stored,the LED will flash 1-1-1,which means the fuel system is operating correctly. To access the ignition codes,follow the above procedure,but with the selector cable connected to the #6 socket on the diagnostic unit.
What are the diagnostic codes for a 1995 Volvo?
Diagnostic codes for 1995-1998 Volvos are here. Wait… 1995 is listed in both categories! That’s right. It was an overlap year where you can find OBD-I or OBD-II or both. Many Volvos have both. Sometimes the OBD-II port will be present in front of the coin tray, but will not be functional.
What are the problems with the Volvo Regina?
Intermittent Ignition Shutoff: FI Relay or Ignition Switch Unexplained Driveability Problems with Regina Cars: Corroded Coil Ground Unexplained Driveability Problems with ECU Error Codes; Oxidized Connectors Unexplained Driveability Problems: Rotten Battery Cables