Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1996SABLE GS, 4D WAGON, AX4NREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSAIR BAG, SRSSUPPLEMENTAL INFLATABLE RESTRAINT SYSTEMDIAGNOSTIC TESTSDTC 1923 - MEMORY CLEAR CIRCUIT IMPROPERLY GROUNDEDTESTPROCEDURE
1996 Mercury Sable GS, 4D Wagon, AX4N
DTC 1923 - Memory Clear Circuit Improperly Grounded: TestProcedure
1996 Mercury Sable GS, 4D Wagon, AX4NSECTION TestProcedure
- Verify Condition
Connect NGS tester to DLC. Perform ON-DEMAND SELF-TEST. If DTC B1923 is retrieved, go to step 2). If DTC B1923 is not retrieved, go to step 5). - Check If Circuit 631 Is Connected
If terminal C1-17 of air bag diagnostic monitor has wire connected, go to next step. See Figure . If it does not, go to step 7). - Check If Circuit Is Correct Color
Deactivate air bag system. See COMPLETE SYSTEM DEACTIVATION under DISABLING & ACTIVATING AIR BAG SYSTEM . Disconnect diagnostic monitor. See Figure . Verify terminal C1-17 is a Tan/Red wire. If it is, go to next step. If it is not, verify and correct harness pin out. Reconnect system. Verify system and go to step 7). - Measure Resistance
Use ohmmeter set to 200K ohms scale or AUTO. Measure resistance between diagnostic monitor harness connector terminal C1-17 and terminal C1-18. See Figure . If resistance is infinite, replace air bag diagnostic monitor. Reconnect system. Verify system. Reactivate system and go to step 7). If resistance is not infinite, repair short to ground on circuit 631 (Tan/Red wire). Reconnect air bag diagnostic monitor. Go to step 7). - Check For DTC Service
Deactivate system. See COMPLETE SYSTEM DEACTIVATION . If DTC B1923 has just been repaired, go to step 7). If DTC B1923 has not just been repaired, go to next step. - Check For Steering Column Shorts
Inspect circuit 631 (Tan/Red wire) for pinched or chafed wires leading to intermittent short to ground. If problems are noted, repair as necessary and go to step 7). If no problems are noted, go to next step. - Check For Other DTCs
Connect NGS to DLC. If other DTCs are retrieved go to proper DTC test. If no other DTCs are retrieved, reactivate system and clear all DTCs.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.