900 Turbo Convertible L4-1985cc 2.0L DOHC Turbo EFI (1994)
Integrated Central Electronics (ICE) Control Module: Testing and Inspection
Fault Diagnosis by Symptom
Anti-Frost Thermostat
1
Plug in the Intelligent Saab Tester (ISAT) scan tool and select "READ FAULT CODES" from the menu. If any diagnostic trouble codes are
present, continue in Trouble Code Tables.
2
With the engine running, select "ACT. OTHER FUNCT" from the ISAT scan tool menu and then "AC". The compressor should now be activated.
3
If it is not, check that a power supply of about 12 V is present on one of the- anti-frost thermometer's connector contacts.
If the voltage reading is OK, continue fault diagnosis as described in "Climate Control System, ACC".
4
If the voltage reading is not OK, connect a BOB and check the wiring for continuity/shorting between the Integrated Central Electronics (ICE)
module and the anti-frost thermostat.
NOTE: The ISAT scan tool command should still be activated.