Performance Probe > Do It Yourself> Diagnostics> Supplemental Restraint System Test 1993 Probe Supplemental Restraint System Test: 1993 Probe   Description 1993 Probes were equipped with a driver side supplemental air bag restraint system. The Air Bag lamp on the instrument cluster should illuminate for 6 seconds after the ignition is turned on. If not, it could be a sign of something wrong. When the air bag system detects a problem, the air bag diagnostic monitor will display a fault code through a serious of flashes through the Air Bag lamp. Interpreting The Pulses/Flashes The flashes on the Air Bag lamp light translate into two digit codes. The Air Bag lamp will flash the first digit, followed by a one second pause, then it will flash the second digit. After a three second pause, it will repeat the code. For example, four flashes, pause, then one flash would be a code 41. Only one code will be displayed at a time. If two or more codes are present, the code with the highest priority will be displayed first. Once that fault has been corrected, the code with the next highest priority will be displayed. Fault Code 41 1993 Diagnostic Fault Codes: 1993 Probe   Priority Code Fault Description Highest — No Air Bag Lamp - Inoperative Lamp Circuit or No Ignition Voltage to Diagnostic Monitor   — Continuous Air Bag Lamp - Diagnostic Monitor Disconnected or Inoperative   12 Low Battery Voltage   13 Air Bag Circuit or Crash Sensor Circuit Shorted to Ground   21 Center Cowl Safing Rear Air Bag Sensor Not Mounted to Vehicle Properly   22 Center Cowl Safing Rear Air Bag Sensor Output Circuit Shorted to Battery Voltage   23 Center Cowl Safing Rear Air Bag Sensor Input Feed/Return Circuit Open   24 Center Cowl Safing Rear Air Bag Sensor Output Feed/Return Circuit Open or Low Resistance in an Air Bag Sensor   32 Driver Side Air Bag Module Circuit High Resistance or Open   33 Pin 7 Not Grounded at Diagnostic Monitor   34 Driver Side Air Bag Module Circuit Low Resistance or Shorted   35 Low Resistance Across Pins 8 and 9 at Diagnostic Monitor   41 Air Bag Sensor Circuits High Resistance or Open   44 Right Hand Fender Primary Crash Sensor Not Mounted to Vehicle Properly   45 Center Radiator Primary Crash Sensor Not Mounted to Vehicle Properly   46 Left Hand Fender Primary Crash Sensor Not Mounted to Vehicle Properly   51 Diagnostic Monitor Internal Thermal Fuse - Fuse Blown Due to Intermittent Short to Ground   52 Backup Power Supply - Voltage Boost Fault   53 Internal Diagnostic Monitor Fault Lowest — Rapid Continuous Flashing of Air Bag Lamp - All Primary Crash Sensors Disconnected
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