Check the ABS Warning Light Signal Cable [T]

T. Check the ABS Warning Light Signal Cable

TA. Fault-tracing information






Condition

- DTCs not posted
- Fault is permanent

Possible source

- Signal cable short circuited to ground
- Defective bulb in the instrument panel
- Defective instrument panel.

Fault-tracing begins with [TB] Check ABS light signal cable.

TB. Check the ABS light signal cable

[TB1]

Connect the test box and check the contact points

Refer to JJJA, Connect the test box. Connect the Test Box [JJJ]

Proceed to: [TB2]

[TB2]

Check the signal cable






- Ignition off
- Control module disconnected
- Ignition on

Connect a voltmeter between #16 and #8 on the test box
The voltmeter should indicate a reading above approx. 7V

If reading is OK: TB3
If reading is incorrect: TB6

[TB3]

Check the bulb






Check that the bulb in the instrument panel is intact
Are the bulb(s) (3) intact?

Yes: TB4
No: TB5

[TB4]

Replace the component

Test with a new instrument panel

Then continue with: TB8

[TB5]

Replace the component

Change the bulb(s)

Then continue with: TB8

[TB6]

Check the signal cable resistance to ground






- Ignition off
- Free the instrument panel
- Disconnect instrument panel connector B
- Control module disconnected

Connect an ohmmeter between #16 and #8 on the test box

The ohmmeter should indicate infinite resistance If reading is OK: TB4
If reading is incorrect: TB7

[TB7]

Check for short circuiting










Check the cable between control module #16 and combination instrument connector connection B6 for short circuiting to ground as per [IIIB3]. Check Communication to Control Module [III]

Then continue with: TB8

[TB8]

Verification






Hint: After repair it is necessary to check that the fault has been rectified

- Ignition off
- Reconnect the connections, components etc.
- Ignition on

When the ignition is switched on, the ABS warning light is activated by the control module. Check that the warning light goes out after approx. 2 seconds

Note! The warning light will not go out if a fault has been registered in the control module

Does the warning light go out shortly after being activated?

Yes: Fault corrected
No: TB9

[TB9]

Fault-tracing information

The fault should now have been diagnosed and corrected. Since this is not the case the fault-tracing has failed.

Do you want to exit fault-tracing?

Yes: Fault not corrected
No: TB1