Data Link Diagnostic Test
WARNING: This page is about a different car, the 1997 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Connect NGS to data link connector, under instrument panel. Turn ignition switch to RUN position. Rotate dial to DIAGNOSTIC DATA LINK and press TRIGGER. If results of circuit 70 (Light Blue/White wire) is SYSTEM PASSED, then ISO 9141 communication link test passed (air bag diagnostic monitor). If any other display is returned, refer to DIAGNOSTIC SYMPTOMS table.
DIAGNOSTIC SYMPTOMS
| Condition | Test |
|---|---|
| Module Communication Error | TEST A |
| No Air Bag Warning Light | TEST B |
| Continuous Air Bag Warning Light | TEST C |
| Rapid Continuous Flashing Air Bag Warning Light | TEST D |
| Data Link Diagnostic Test Failure\Air Bag Diagnostic Monitor Communication Fault | TEST E |
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| Fault Code | Flash Code | Description |
|---|---|---|
| B1342 | 24 | Internal Microprocessor Fault (On-Demand Self-Test Only) |
| B1867 | 12/52 | Low Battery Voltage |
| B1869 | -- | No Indicator/Inoperative Circuit |
| B1913 | 13/53 | Air Bag Circuit Shorted To Ground |
| B1914 | 14/54 | Impact Sensor Short To Ground |
| B1921 | 21 | Diagnostic Monitor Not Mounted To Vehicle Properly |
| B1922 | 22 | Safing Sensor Shorted To Battery Voltage |
| B1923 | 23 | Memory Clear Circuit Improperly Grounded |
| B1924 | 24 | System Disarm Failure Or Internal Diagnostic Monitor Fault |
| B1932 | 32 | High Resistance Or Open In Driver-Side Air Bag Circuit |
| B1933 | 33 | High Resistance Or Open In Passenger-Side Air Bag Circuit |
| B1934 | 34 | Low Resistance Or Short In Driver-Side Air Bag Circuit |
| B1935 | 35 | Low Resistance Or Short In Passenger-Side Air Bag Circuit |
| B1941 | 41 | Right Front Impact Sensor Feed/Return Circuit Open |
| B1942 | 42 | Left Front Impact Sensor Feed/Return Circuit Open |
| B1944 | 44 | Right Front Impact Sensor Not Mounted To Vehicle Properly |
| B1945 | 45 | Left Front Impact Sensor Not Mounted To Vehicle Properly |