Sable V6-183 3.0L DOHC VIN S MFI (1997)
a Diagnostic Trouble Code (DTC) will be displayed on the New Generation Star (NGS) tester. For modules which store DTCs, the DTC description will
determine an open circuit, short to ground or a short to B+. By initiating wiggle test and pulling on different areas of the vehicle harness, intermittent
open and short circuits can be located and serviced.
1. Perform Hookup and Vehicle Selection.
NOTE: The ignition switch must be in RUN position or test will fail.
2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module to test by rotating dial to highlight module and press trigger.
4. Menu item "Diagnostic Test Modes" is highlighted. Press trigger.
5. Rotate dial to highlight menu item "Wiggle Test." Press trigger, then press start (Button 3).
Hookup and Vehicle Selection
NOTE: Rotunda Service Bay Diagnostic System (SBDS) 001-00001 or equivalent may also be used to diagnose this system.
HOOKUP AND VEHICLE SELECTION
Before any diagnostics can be performed on the communication system, use Rotunda New Generation Star (NGS) Tester 007-00500 or equivalent
to perform the following steps:
1. Turn ignition switch OFF.
2. Select the appropriate program card for the vehicle.
3. With the NGS Tester control unit facing away from you, insert the program card into the slot on the back. If you insert the card incorrectly,
NGS Tester will not work.
4. Connect the NGS Tester to the Data Link Connector (DLC).
5. If using an alternate power hook up, plug the power cable into the vehicle's cigar lighter or into the battery hookup adapter.
6. Turn ignition switch to RUN. NGS Tester will perform an initialization, which checks the NGS Tester memory and verifies the vehicle
interface module matches the program card software. If the screen displays an error message, refer to Appendix C in the Rotunda NGS Tester
Operator Handbook, System Messages.
7. Menu item "Vehicle and Engine Selection" is highlighted.Press trigger to select.
8. Rotate dial to menu item "Select New Vehicle Model and Year" and press trigger.
9. Select year, vehicle and engine by rotating dial to highlight selection, then press trigger to select. (If the selected vehicle is not displayed on
first row, then repeat steps 8 and 9. Otherwise, rotate dial to Selected Vehicle top row and press trigger.)
Data Link Diagnostic Test
1. Perform NGS Tester Hookup and Vehicle Selection.
NOTE: This test is used to verify the proper operation of the communication circuit of each module on the J1850 communication network or ISO
9141 communication link. The ignition switch must be in the RUN position during the Data Link Diagnostic test or the test will fail.
2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. If results of Circuit 914 (+) = SYSTEM PASSED and Circuit 915 (-) = SYSTEM PASSED, then the J1850 communication network test passed. If
any other display is returned, go to Communication System Diagnostic Index.
4. If results of Circuit 70 (LB/W) = SYSTEM PASSED, then the ISO 9141 communication link test passed.If any other display is returned, go to
New Generation Star Tester Driven Diagnostics.
On-Demand Self-Test
This test is used to verify operation of module being tested.
1. Perform Hookup and Vehicle Selection.
NOTE: The ignition switch must be in RUN position or test will fail.
2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module to test by rotating dial to highlight module and press trigger.
4. Menu item "Diagnostic Test Modes"is highlighted.Press trigger.
5. Rotate dial to highlight menu item "On-Demand Self Test." Press trigger, then press start (Button 3).
6. Prepare the vehicle for entry condition as specified for each module, then press trigger.
Retrieve/Clear Continuous DTCs
1. Perform Hookup and Vehicle Selection.
NOTE: The ignition switch must be in RUN position or test will fail.
2. Rotate dial to menu item "Diagnostic Data Link" and press trigger.
3. Select module to test by rotating dial to highlight module and press trigger.
4. Menu item "Diagnostic Test Modes" is highlighted. Press trigger.
