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Group 170 Preventive Maintenance

Engine ECU

Check for Fault Codes in the Engine Elec-

tronic Control Unit

Use Service Information in Function Group 23 as a refer-

ence.

When reading fault codes perform the following:

•

The engine is off.

•

The parking brake is applied.

•

The starter key is in the drive position (I).

1 Read on the instrument cluster display that no fault

codes are saved in the ECU.

Note: Fault codes can also be traced using a diagnostic

program run through a PC.

Note: Refer to pertinent VCADS Pro Tool documentation.

Check for Fault Codes in the ABS, anti-

lock brakes

Note: Use Service Information in Function Group 59 as

a reference.

To complete the Fault Code Check for ABS perform the

following:

1 Check that no fault codes are saved in the ABS

ECU.

2 Write down any fault codes that require correction.

Note: Fault codes can also be traced using a diagnostic

program run through a PC.

Note: Refer to pertinent VCADS Pro Tool documentation.

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Volvo VHD Wartungshandbuch Seite 59