WANTED: ABS Sensors

[Amonra]

Wanted full set of ABS sensors for 1992 480 Turbo so I might finally fix my ABS problem and have a problem free 480 (if that is even possible).
Im not sure which pump i have but it looks like this:



Shipping to Malta

Thanks

[glasgowjim]

new rear abs sensors from eurocarparts cost £70 each!

[Amonra]

new rear abs sensors from eurocarparts cost £70 each!

Ouch that's a lot, but i dont want them new.
The problem is that somehow one of mine got ripped but i cant remember which one the mechanic said it was so i thought i might aswell get all four.
Maybe someone has some used ones for a reasonable price from a car they may be breaking.

[glasgowjim]

They are virtually impossible to remove without breaking. That is why they are rare! Try sending "jameselwood" a pm he has a lot of spare parts he might be your best option. Meanwhile check your diagnostic box as it can tell you which one is broken.

[Amonra]

good idea but i dont know how to check the diagonistics. some guidance would be appreciated

[glasgowjim]

Fault Codes Retrieval

1. Open the diagnostic system's box cover and place the test cable mounted on the side of the box into an appropriate socket.
2. Turn the ignition ON to key position II without starting the engine. Wait about ten seconds.
3. Press the button once and hold it for more than one but less than three seconds.
4. The LED lamp will flash in successive series of three digits followed by a three-second pause. If there are no fault codes stored, it will flash 1-1-1 indicating the system being tested is operating correctly.
5. Count the successive flashes and record the fault code.
6. Press the button again, as described above.
7. Record the fault code. If it is the same as the previous one, then no additional codes are stored. Repeat until all the codes stored are retrieved (often a maximum of three).
8. Turn the ignition OFF and remove the test cable from a socket.

Erasing Fault Codes

1. Repeat step 1 and read all the fault codes again. Do not turn the ignition OFF after read-out.
2. Press and hold the button for more than five seconds, then release it.
3. When the LED lights, press the button again for more than five seconds and release it. When the LED goes off, the memory is cleared.
4. Test that memory is cleared by performing step 1. Code 1-1-1 should be returned.
Note: erasing fault codes on the ABS socket will cause the ABS control to be lit. It will turn off after a test-drive with speed of more than 40 km/h.

Sockets Description

1 – alarm and remote locking system,
2 – fuel system,
3 – ABS,
6 – cruise control,
7 – SRS (airbag).

Hints

Before assuming a fault in any of the systems tested, try to erase fault codes as described above. In my case, open circuit in ABS wiring has initially been signalled with codes 122, 152, 312 and 322. After erasing and performing a test-drive, only code 312 was signalled.

At first, read the codes when the engine is completely cold. Then, go for a longer test-drive and read them all again while the engine is still hot. Some codes (especially these related to lambda-sensor) tend to appear only while the vehicle is driven and short time afterwards.
 
Socket 1 — Alarm and remote locking system
Code:
1-1-1 No error code set
1-1-3 Transmitter to receiver: weak signal
1-1-4 Control Module (CM) faulty
2-1-1 Relay contacts, fuse or ground terminal (locking)
2-1-2 Relay contacts, fuse or ground terminal (unlocking)
2-2-1 Fuse or ground terminal (locking)
2-2-2 Fuse or ground terminal (unlocking)
2-2-3 Codes 2-2-1 and 2-2-2 combined
3-1-2 Siren: internal fault
3-2-1 Siren: power supply
4-1-2 Ultrasonic system: internal fault
4-1-3 Ultrasonic system: one or more sensors faulty
5-1-1 Key switch ground on (> 10 seconds)
5-1-2 Key switch ground off (> 10 seconds)
5-1-3 Locking door with ignition on
5-1-4 Unlocking door with ignition on
5-2-1 Central locking system switch (> 10 seconds locked)
5-2-2 Ultrasonic switch (> 20 seconds locked)
5-3-1 Interior lights, shorting to earth

 
Socket 2 — fuel system
Code:
1-1-1 No error code set
1-1-2 Malfunction in Electronic Control Module
1-1-3 Open circuit in injector wiring
1-2-1 Air pressure sensor: no signal correspondence
1-2-2 Air temperature sensor: no signal or signal faulty
1-2-3 Coolant temperature sensor: no signal or signal faulty
1-3-2 Incorrect battery voltage
1-4-3 Knock sensor: no signal or signal faulty
2-1-2 Oxygen sensor: no signal or signal faulty
2-1-4 Flywheel sensor: signal faulty
2-2-2 System relay coil: no voltage
2-2-3 Idle speed regulating valve: no signal or signal faulty
2-3-1 Adaptive Lambda closed loop control system lean or rich in part–load range
2-3-2 Adaptive Lambda closed loop control system lean or rich at idling speed
2-4-4 Knock sensor: no signal or signal faulty
3-1-1 Speedometer signal: no signal correspondence
3-1-3 Charcoal absorption canister valve: signal faulty
3-4-2 A/C relay signal: signal faulty
3-4-3 Main relay coil: no voltage
4-1-1 Throttle valve sensor: signal faulty

 
Socket 3 — ABS
Code: (40 km/h = 25 mph)
1-1-1 No error code set
1-2-1 Left side front wheel sensor: faulty signal at speed less than 40 km/h
1-2-2 Right side front wheel sensor: faulty signal at speed less than 40 km/h
1-2-3 Left side rear wheel sensor: faulty signal at speed less than 40 km/h
1-2-4 Right side rear wheel sensor: faulty signal at speed less than 40 km/h
1-2-5 Signal faulty from at least one sensor for a long period
1-3-5 Control Module (CM) faulty
1-4-1 Faulty pedal sensor: shorted to ground or supply
1-4-2 Faulty stop (brake) lamp switch: open circuit
1-4-3 Control Module (CM) faulty
1-4-4 Brake discs overheated
1-5-1 Left side front wheel sensor: open circuit or short-circuit to battery voltage
1-5-2 Right side front wheel sensor: open circuit or short-circuit to battery voltage
1-5-5 Rear axle sensor: open curcuit or short-circuit to battery voltage
2-1-1 Left side front wheel sensor: no signal or moving off
2-1-2 Right side front wheel sensor: no signal or moving off
2-1-3 Left side rear wheel sensor: no signal or moving off
2-1-4 Right side rear wheel sensor: no signal or moving off
2-1-5 Valve relay: open circuit or short-circuit
2-2-1 Left side front wheel sensor: ABS operation signal missing
2-2-2 Right side front wheel sensor: ABS operation signal missing
2-2-3 Left side rear wheel sensor: ABS operation signal missing
2-2-4 Right side rear wheel sensor: ABS operation signal missing
2-3-1 Left side front wheel sensor: signal missing
2-3-2 Right side front wheel sensor: signal missing
2-3-5 Rear axle sensor: signal missing
3-1-1 Left side front wheel sensor: open circuit or short-circuit
3-1-2 Right side front wheel sensor: open circuit or short-circuit
3-1-3 Left side rear wheel sensor: open circuit or short-circuit
3-1-4 Right side rear wheel sensor: open circuit or short-circuit
3-2-1 Left side front wheel sensor: irregular interference at speeds over 40 km/h
3-2-2 Right side front wheel sensor: irregular interference at speeds over 40 km/h
3-2-3 Left side rear wheel sensor: irregular interference at speeds over 40 km/h
3-2-4 Right side rear wheel sensor: irregular interference at speeds over 40 km/h
4-1-1 Left side front wheel inlet valve: open circuit or short-circuit
4-1-2 Left front return valve: open circuit or short-circuit
4-1-3 Right side front wheel inlet valve: open circuit or short-circuit
4-1-4 Right front return valve: open circuit or short-circuit
4-1-5 Rear valve: open circuit or short-circuit
4-2-1 Rear wheel circuit inlet valve: open circuit or short-circuit
4-2-2 Rear wheel circuit return valve: open circuit or short-circuit
4-2-3 Traction Control System (TRACS) valve: open circuit or short-circuit
4-2-4 Pressure switch for TRACS: faulty or short-circuit
4-4-1 Control Module (CM) faulty
4-4-2 Pump pressure low
4-4-3 Pump motor/relay: electrical or mechanical fault
4-4-4 No power supply to valves in hydraulic unit




Socket 6 — cruise control
Code: (40 km/h = 25 mph)
1-1-1 No error code set; speed was higher than 40 km/h
1-1-2 Vehicle Speed Sensor: abnormal signal received
1-2-2 Vehicle speed: 40 km/h not exceeded or no signal
2-1-1 Fault in supply voltage or Control Module
2-1-2 Circuit to vacuum pump or regulator: signal faulty

Important: cruise control diagnostics must be done immediately after the test drive. Do not turn the engine off! Codes will not be saved in memory if you do.
 
Socket 7 — SRS (airbag)
Code:
1-1-1 No error code set
1-1-2 Internal fault in the sensor unit
1-2-7 SRS warning lamp: open circuit or short-circuit
2-1-1 Steering wheel module: short-circuit in wiring
2-1-2 Steering wheel module: open circuit in wiring
2-1-3 Steering wheel module: short-circuit to the ground
2-1-4 Steering wheel module: short-circuit to +12V
2-2-1 Passenger module: short-circuit in wiring
2-2-2 Passenger module: open circuit in wiring
2-2-3 Passenger module: short-circuit to the ground
2-2-4 Passenger module: short-circuit to +12V
2-3-1 Left seat belt tensioner: short-circuit in wiring
2-3-2 Left seat belt tensioner: open circuit in wiring
2-3-3 Left seat belt tensioner: short-circuit to the ground
2-3-4 Left seat belt tensioner: short-circuit to +12V
2-4-1 Right seat belt tensioner: short-circuit in wiring
2-4-2 Right seat belt tensioner: open circuit in wiring
2-4-3 Right seat belt tensioner: short-circuit to the ground
2-4-4 Right seat belt tensioner: short-circuit to +12V
(no code) SRS warning lamp in the instrument panel does not light
(no code) Fault in diagnostic output



Thanks to: http://www.am.torun.pl/~ja/volvo/diagno ... stem.shtml

well you did ask

[Amonra]

Thanks a lot for all of this. It is very helpful and appreciatedl.
This is embarrasing But where can i find the diagnostic system's box and cable?

[Captain Slow]

On a RHD car the diagnostic box is just infront of the passenger side suspension strut, it might be on the other side for LHD?

[Amonra]

So i found the diag box but i only have a wire connected to socket 5 !
When i tested with the engine cold it gave me one single fault code 2-2-7
Does anyone know what this means ?

[Captain Slow]

Can you not remove the wire/plug from socket 5 and plug it into another socket? (or am I missing something here )

[Amonra]

Yes i could but there is nothing connected to the other sockets.

After some searching on the forum i found out that i apparently have CEM III. (i.e. only socket 5 is present)
If this is so i cannot check the ABS system and other systems with it.

Is there another diagonistics box located somewhere else where i can check the ABS system, fuel system, ect.. ?

[glasgowjim]

Sorry Michael

but that information is incorrect.

CEM 3 have more than one socket connected and it can vary across the 480 range depending on how the car is spec'ed

Have never come across a 480 with a single connection to the diagnostic box.

[Amonra]

well in that case I dont know i must have misread
I must have a "special" 480 then.
There are only 3 wires going into the diag box. two of them are going into the box itself under the switch and led and the other is going into socket 5. the rest of the sockets are empty.
My VIN is XLBEX193ENC573106.

[Captain Slow]

Ok, glad I was correct to feel confused.....

It does seem strange, Have you tried plugging into other ports? The 480 has many special ways with electronics, maybe magically appearing diagnostic signals could be one?

[Amonra]

i have tried the other ports, but nothing happens, because there is nothing connected to them.

[glasgowjim]

Then you have to fall back on manually checking each sensor with a multimeter.

[Amonra]

Thank you for your help but where do i find their connections to test ?

[glasgowjim]

Read this thread it has some very useful suggestions/infornation

(you have type 2 abs system)

viewtopic.php?f=14&t=17817

by 480_rocket » Mon Apr 06, 2009 6:19 pm

I check the fault codes by bridging the diagnostics connector in the cubby hole in the boot and the light on the dash flashes the codes. I'm sure a search on here will bring up the wires to bridge, I read it from Tardis.

[Amonra]

sTILL CAN'T FIND THE BROKEN ONE.
dOES ANYONE HAVE A SET FOR SALE ?