940 SE L4-2320cc 2.3L SOHC Turbo VIN 87 B230FT (1991)
Disconnect control module connector by depressing spring catch and pulling connector upward.
- Remove housing cover and printed circuit board.
Caution:
Protective eyewear should be worn.
- Drill 6 mm (15/64") dia. hole in bottom of control module housing at rear inner corner (see illustration). Clean away drilling chips.
Checking and Replacing Control Module
CHECKING AND REPLACING CONTROL MODULE ON 4 AND 5-DOOR MODELS (700/900)
If antenna operation is still faulty following above action, control module should finally be checked.