volvo 440 460 480 fejlkoder
The diagnostic system box is located in the engine compartment,
behind the left-side strut tower:
1. Fault codes retrieval
- Open the diagnostic system’s box cover and place the test cable
mounted on the side of the box into an appropriate socket. - Turn the ignition ON to key position II without starting the
engine. Wait about ten seconds. - Press the button once and hold it for more than one but less
than three seconds. - 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. - Count the successive flashes and record the fault code.
- Press the button again, as described above.
- 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). - Turn the ignition OFF and remove the test cable from a
socket.
2. Erasing fault codes
- Repeat step 1 and read all the fault codes again. Do not
turn the ignition OFF after read-out. - Press and hold the button for more than five seconds, then
release it. - 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. - 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,
5 – (investigating),
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.
Code tables
|
Socket 1 – alarm and remote |
|
|
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 |
|
|
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 |
|
2-3-2 |
Adaptive Lambda closed loop control system lean or rich at |
|
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 |
|
1-2-2 |
Right side front wheel sensor: faulty signal at speed less than |
|
1-2-3 |
Left side rear wheel sensor: faulty signal at speed less than 40 |
|
1-2-4 |
Right side rear wheel sensor: faulty signal at speed less than |
|
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 |
|
1-5-2 |
Right side front wheel sensor: open circuit or short-circuit to |
|
1-5-5 |
Rear axle sensor: open curcuit or short-circuit to battery |
|
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 |
|
3-2-2 |
Right side front wheel sensor: irregular interference at speeds |
|
3-2-3 |
Left side rear wheel sensor: irregular interference at speeds |
|
3-2-4 |
Right side rear wheel sensor: irregular interference at speeds |
|
4-1-1 |
Left side front wheel inlet valve: open circuit or |
|
4-1-2 |
Left front return valve: open circuit or short-circuit |
|
4-1-3 |
Right side front wheel inlet valve: open circuit or |
|
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 |
|
4-2-2 |
Rear wheel circuit return valve: open circuit or |
|
4-2-3 |
Traction Control System (TRACS) valve: open circuit or |
|
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 5 – unknown, |
|
A couple of people contacted me, claiming this socket not to be |
|
Socket 6 – cruise |
|
|
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 |
|
|
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 |
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