Fault In The Circuit
Fault in the circuit
Other diagnostic trouble codes (DTCs)
Read off other diagnostic trouble codes (DTCs).
Hint: If any of the following DTCs are stored, the DTC status must be established by a status check in order to guarantee the correct diagnostic trouble code (DTC) status.
Are diagnostic trouble codes (DTCs) ABS-21X as well as ABS-22X or ABS32X (for the same wheel) stored?
Yes - Status check
No - PER
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Status check
- Raise the car so that the relevant wheel is clear of the ground.
- Ignition on.
Read off the speed of the wheel.
Rotate the wheel and check that the speed is updated as the wheel turns.
Is the speed of the wheel updated as it turns?
OK - Fault-trace according to Extrapolation counter. Permanent fault Extrapolation Counter. Permanent Fault.
Not OK - Fault-trace according to Fault in circuit. Permanent fault Fault In Circuit. Permanent Fault.
OK - INT
Not OK - PER
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PER
Fault in circuit. Permanent fault
Connecting breakout box and checking ground terminals
Connecting the breakout box
Connecting the breakout box
- Ignition off.
- Disconnect the ABS control module by pressing in the catch on the rear edge of the cover (wheel arch side). Carefully turn the cover upwards so that the locking catches release.
- Check control module and control module connector to ensure that: Male and female terminals are undamaged and properly attached (cannot be pressed in). Female terminal cables are correctly connected to the terminals.
- Pay particular attention to the terminals related to the diagnostic trouble code (DTC)/symptom.
- Connect adapter 951 1354 Adapter 25-pin ABS 850 951 1354 Adapter 25-Pin ABS 850 to the control module connector (wiring side) and connect breakout box 951 1428 Breakout box 951 1428 Breakout Box to the adapter.
- Control module disconnected.
- Then check ground terminals.
Continue - Checking ground terminals
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Checking ground terminals
- Ignition off.
- Switch off all equipment that takes power from the battery (courtesy lighting, radio etc).
- Connect an ohmmeter between battery negative terminal and #8 and #24 on the breakout box.
The ohmmeter should read approximately 0 ohms for all readings.
OK - Return to the fault-tracing procedure where it was interrupted.
Reading is OK
Not OK - Check ground terminal 1/1 (battery negative terminal) and cable between ground terminal and control module #8 and #24, for an open-circuit and contact resistance.-Return to the fault-tracing procedure where it was interrupted.
Value is not OK
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Reading is OK
- Return to the fault-tracing procedure where it was interrupted.
Continue - FAULT FOUND
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Value is not OK
- Check ground terminal 1/1 (battery negative terminal) and cable between ground terminal and control module #8 and #24, for an open-circuit and contact resistance.
- Return to the fault-tracing procedure where it was interrupted.
Continue - FAULT FOUND
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FAULT FOUND - Checking resistance in wheel sensor circuit
FAULT-TRACING FAILED - Checking resistance in wheel sensor circuit
No Fault Found - Checking resistance in wheel sensor circuit
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Checking resistance in wheel sensor circuit
- Ignition off.
- Control module disconnected.
Connect an ohmmeter between breakout box:
- #2 and #10 (diagnostic trouble code (DTC) ABS-313).
- #1 and #17 (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read 1040-1160 ohms.
OK - Checking signal cables
Not OK - Checking wheel sensor resistance
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Checking wheel sensor resistance
- Ignition off.
- Carefully clean around wheel sensor connector. Brush and blow clean.
- Disconnect wheel sensor.
Connect an ohmmeter between wheel sensor connector 24/19 terminal:
- 1 and 3 (diagnostic trouble code (DTC) ABS-313 on wheel sensor side).
- 2 and 4 (diagnostic trouble code (DTC) ABS-314 on wheel sensor side).
The ohmmeter should read 1040-1160 ohms.
OK - Checking resistance in signal cable (+)
Not OK - Checking for an open-circuit, short-circuit and replacing component
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Checking for an open-circuit, short-circuit and replacing component
Check cables between wheel sensor and connector 24/19 for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault and a short-circuit to each other according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If the cables are OK, try a new wheel sensor according to Rear wheel sensor, with integrated cabling, replacement Rear Wheel Sensor, With Integrated Cabling, Replacement.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking resistance in signal cable (+)
- Ignition off.
- Disconnect wheel sensor.
- Control module disconnected.
Connect an ohmmeter between wheel sensor connector 24/19 terminal:
- 3 and #10 on the breakout box (diagnostic trouble code (DTC) ABS-313).
- 4 and #17 on the breakout box (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read approximately 0 ohms.
OK - Checking resistance in signal cable (-)
Not OK - Checking signal cable (+) connector
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Checking signal cable (+) connector
- Ignition off.
- Disconnect wheel sensor.
- Control module disconnected.
- Check the wheel sensor connectors 24/19, 24/4B and 24/2B for loose connections and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Connect an ohmmeter between wheel sensor connector 24/19 terminal:
- 3 and #10 on the breakout box (diagnostic trouble code (DTC) ABS-313).
- 4 and #17 on the breakout box (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read approximately 0 ohms.
OK - Cause of fault
Not OK - Checking for an open-circuit in the cable
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Cause of fault
The cause of the diagnostic trouble code (DTC) has been loose connections in the wheel sensor connectors.
Continue - Verification
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Checking for an open-circuit in the cable
Check cable between connector 24/19 terminal:
- 3 and control module #10 (diagnostic trouble code (DTC) ABS-313)
- 4 and control module #17 (diagnostic trouble code (DTC) ABS-314)
for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking resistance in signal cable (-)
- Ignition off.
- Disconnect wheel sensor.
- Control module disconnected.
Connect an ohmmeter between wheel sensor connector 24/19 terminal:
- 1 and #2 on the breakout box (diagnostic trouble code (DTC) ABS-313).
- 2 and #1 on the breakout box (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read approximately 0 ohms.
OK - Checking signal cable (+) resistance to signal cable (-)
Not OK - Checking signal cable (-) connector
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Checking signal cable (-) connector
- Ignition off.
- Disconnect wheel sensor.
- Control module disconnected.
- Check the wheel sensor connectors 24/19, 24/4B and 24/2B for loose connections and remedy according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and contact resistance and oxidation according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Connect an ohmmeter between wheel sensor connector 24/19 terminal:
- 1 and #2 on the breakout box (diagnostic trouble code (DTC) ABS-313).
- 2 and #1 on the breakout box (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read approximately 0 ohms.
OK - Cause of fault
Not OK - Checking for an open-circuit in the cable
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Checking for an open-circuit in the cable
Check cable between wheel sensor connector 24/19 terminal:
- 1 and control module #2 (diagnostic trouble code (DTC) ABS-313)
- 2 and control module #1 (diagnostic trouble code (DTC) ABS-314)
for an open-circuit according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking signal cable (+) resistance to signal cable (-)
- Ignition off.
- Disconnect wheel sensor.
- Control module disconnected.
Connect an ohmmeter between breakout box:
- #2 and #10 (diagnostic trouble code (DTC) ABS-313).
- #1 and #17 (diagnostic trouble code (DTC) ABS-314).
The ohmmeter should read ohms.
OK - Checking contact resistance and oxidation
Not OK - Checking for a short-circuit
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Checking contact resistance and oxidation
The cause of the diagnostic trouble code (DTC) has been loose connections in the wheel sensor connectors.
Check wheel sensor connectors 24/19, 24/4B and 24/2B and control module connector for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking for a short-circuit
Check the wiring between the wheel sensor and the control module for short-circuits to each other according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking signal cables
- Ignition off.
- Connect control module.
- Ignition on.
Connect a voltmeter between breakout box:
- #8 and #10 (diagnostic trouble code (DTC) ABS-313).
- #8 and #17 (diagnostic trouble code (DTC) ABS-314).
The voltmeter should read approximately 2.3 V.
OK - Checking contact resistance and oxidation
Low - Checking for a short-circuit
High - Checking for a short-circuit
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Checking contact resistance and oxidation
The cause of the diagnostic trouble code (DTC) was loose connections in the control module connector.
Check control module connector for contact resistance and oxidation and remedy according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking for a short-circuit
Check cable between wheel sensor connector 24/19 terminal:
- 1 and control module #2 (diagnostic trouble code (DTC) ABS-313)
- 3 and control module #10 (diagnostic trouble code (DTC) ABS-313)
- 2 and control module #1 (diagnostic trouble code (DTC) ABS-314)
- 4 and control module #17 (diagnostic trouble code (DTC) ABS-314)
for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Checking for a short-circuit
Check cable between wheel sensor connector 24/19 terminal:
- 1 and control module #2 (diagnostic trouble code (DTC) ABS-313)
- 3 and control module #10 (diagnostic trouble code (DTC) ABS-313)
- 2 and control module #1 (diagnostic trouble code (DTC) ABS-314)
- 4 and control module #17 (diagnostic trouble code (DTC) ABS-314)
for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Select Continue when the fault has been remedied.
Continue - Verification
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Verification
Verification
Hint: After repair it is necessary to check that the fault has been rectified
- Ignition off
- Reconnect the connections, components etc.
- Raise the vehicle so that the wheel is off the ground.
- Ignition on
- Go into running values, list 1.
Note the speed of the wheel in question.
Spin the wheel round and check that the speed is updated when the wheel spins.
Is the speed of the wheel in question updated when it spins round ?
Yes - VERIFIED
No - VERIFICATION FAILED
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VERIFIED - FAULT FOUND
VERIFICATION FAILED - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.
Do you want to exit fault-tracing?
Yes - Exit fault-tracing
No - Attempt New Test
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Attempt New Test - Connecting breakout box and checking ground terminals
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INT
Circuit fault.Intermittent fault
Check the leads and connections
Check wheel sensor connectors 24/19, 24/4B and 24/2B and the control module connector for contact resistance and oxidation as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Check the cable between the wheel sensor and control module:
- #2 and #10 (DTC ABS-313)
- #1 and #17 (DTC ABS-314)
for intermittent breaks as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults , intermittent short-circuiting to ground as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults and intermittent short-circuiting to power as per Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Select continue when the fault has been repaired
Continue - Test driving
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Test driving
- Ignition on
- Note the DTC and the status
- Disconnect Volvo System Tester so that the diagnosis is aborted.
Warning! The ABS and EBD systems are not available while Volvo Diagnostics is activated. Take great care when test driving as there is a serious risk of the wheels locking when braking.
- Test drive the vehicle as per Test driving Test Driving. Brake so that the wheel sensor is warmed up.
- Stop the vehicle
note the DTC status
Is the status intermittent ?
Yes - Status is intermittent
No - Replace the component
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Status is intermittent
System is OK.
Continue - FAULT FOUND
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Replace the component
Test with a new wheel sensor as per Rear wheel sensor, with integrated cabling, replacement Rear Wheel Sensor, With Integrated Cabling, Replacement.
Select Continue when the component has been replaced
Continue - Fault-tracing information
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Fault-tracing information
Information
Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).
Do you want to view the information again?
Yes - Attempt New Test
No - FAULT FOUND
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Attempt New Test - Check the leads and connections
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