B4000 SE Regular Cab 4WD V6-4.0L OHV (1999)
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Fuel.
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Cooling.
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Seat belt warning chime (GEM/CTM).
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Turn signals.
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Headlamps.
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Anti-theft.
4. If the system(s) is/are not working properly, refer to the appropriate section of the workshop manual.
5. If the concern remains after the inspection, connect the NGS Tester to the data link connector (DLC) located beneath the instrument panel and
select the vehicle to be tested from the NGS menu. If the NGS does not communicate with the vehicle:
1. Check that the program card is properly installed.
2. Check the connections to the vehicle. (3). Check the ignition switch position.
6. If the NGS still does not communicate with the vehicle.
7. If the DTCs retrieved are related to the concern, go to the GEM/CTM Diagnostic Trouble Code (DTC) Index to continue diagnostics.
8. If no DTCs related to the concern are retrieved, proceed to the appropriate Symptom Troubleshooting Chant to continue diagnostics.
Step 1
