Tuesday, January 31, 2012
1996 Saab 9000 CS RETRIEVING & CLEARING DIAGNOSTIC TROUBLE CODES (DTCS)
Connect the Saab Intelligent Tester (ISAT-86 10 651) scanner to Green diagnostic connector located under right front seat. Follow manufacturer’s test procedure to retrieve and erase DTCs. See ABS DTCS table. When fault-tracing ABS system, DO NOT directly probe ABS ECU connector pins. Use breakout box and breakout box lead connected between ABS ECU and connector. See Fig. 6 . Breakout box pin numbers are identical to ABS ECU terminal numbers. Problem ABS ECU Fault ABS ECU Fault (RAM) Defective System Relay No Signal From Left Front Wheel Sensor No Signal From Right Front Wheel Sensor No Signal From Left Rear Wheel Sensor Diagnose all other DTCs before diagnosing DTCs 42251 or 1. Breakout box pin numbers and ABS ECU terminal numbers are identical. 1. Turn ignition switch to RUN position. Check for battery voltage between breakout box pins No. 1 and 3, and pins No. 1 and 33. If no voltage is present at either pin No. 3 or 33, check ABS 30-amp fuse in main bulkhead fuse box. Also check Red wire from fuse to main relay and distribution block on battery tray. 2. If wiring is okay but voltage is still not present, ensure continuity is present between breakout box pin No. 3 and relay terminal No. 30 (White wire), and between breakout box pin No. 33 and relay terminal No. 87a (Black wire). Ensure 10-amp ABS fuse is okay. download
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