Direction Indicator

Fault symptom
The direction indicators remain on constantly.
The direction indicators do not light up.







Diagnostic procedure
1 Check the normal operation of the direction indicators
Switch on the hazard flashers.

The hazard flashers should flash.
Do they work properly?
[YES] Continue with point 3.
[NO] Continue with point 2.







2 Check the normal operation of the direction indicators
- Disconnect the anti-theft alarm.
- Remove fuse 19.
- Switch on the hazard flashers.

The hazard flashers should flash.
Do the hazard flashers work properly?
[YES] Continue with point 4.
[NO] Continue fault diagnosis as described in "Lighting and Horn/Turn Signals" Direction Indicators.

3 Check the operation of the direction indicators, using an Intelligent Saab Tester (ISAT) scan tool.
- Connect an ISAT scan tool.
- Select "ACTIVATE".
- Select "FLASHERS".
- Select "ON".

The direction indicators should remain on continuously.
Do they light up continuously?
[YES] The fault is of intermittent nature, proceed to point 5.
[NO] Continue with point 4.







4 Check the wiring
- Unplug the alarm's electronic control module.
- Check for continuity between:
- The control module (pin 24) and the connector (LH side direction indicator.
- The control module (pin 12) and the connector (RH side direction indicator.

The resistance should be < 1 ohm.
Is the resistance OK?
[YES] Continue with point 5.
[NO] Repair or replace the wiring harness.

5 Final test
Check to see if the fault symptom persists.

Does the trouble persist?
[YES] Continue as described in "Before Changing the Electronic Control Module". Before Changing the Electronic Control Module
[NO] The remedial measure taken was correct or the fault is of intermittent nature.