VTSS Indicator Lamp Inoperative (Export Only)

Test 1 - 4:

SYMPTOM
VTSS INDICATOR LAMP INOPERATIVE (EXPORT ONLY)

POSSIBLE CAUSES
- Thatcham alarm module - internal malfunction
- VTSS indicator supply circuit open
- Open VTSS led
- VTSS indicator driver circuit open
- Thatcham alarm module - internal malfunction