Question about 1997 Chevrolet Cavalier
I have a 2000 Chevy Cavalier. What is the path for the 12V to pin 16 on the DLC? The connector is not in my Haynes Repair Manual diagrams. My code reader can't link and my multimeter says there is no voltage present with the key in any position.
Check the CIG fuse it goes directly to pin 16. It also powers the cigarette lighter. That fuse should be in the I/P fuse box.
Posted on Jul 26, 2009
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Posted on Jan 02, 2017
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GM Bonneville/Eighty Eight/LeSabre 1986-1999
1987-97 VEHICLES EXCEPT 1997 MODELS WITH 16-PIN DLC
See Figures 1 and 2
Listings of the trouble for the various engine control system covered in this manual are located in this section. Remember that a code only points to the faulty circuit, NOT necessarily to a faulty component. Loose, damaged or corroded connections may contribute to a fault code on a circuit when the sensor or component is operating properly. Be sure that the components are faulty before replacing them, especially the expensive ones.
Fig. Fig. 1: ALDL/DLC terminal identification for 1987-97 vehicles, except 1997 models with a 16-pin DLC
The Assembly Line Diagnostic Link (ALDL) or Data Link Connector (DLC) may be located under the dashboard, and is sometimes covered with a plastic cover labeled DIAGNOSTIC CONNECTOR.
Fig. Fig. 2: Engine diagnostic trouble codes - 1987-93 vehicles, and 1994 vehicles with a 12-pin DLC connector
Fig. Fig. 3: DLC terminal identification for 1994 vehicles with a 16-pin DLC, as well as all 1995-99 models
On 1994-95 3.4L and 3.8L engines, and all 1996 models, an OBD-II compliant scan tool must be used to retrieve the trouble codes. Follow the scan tool manufacturer's instructions on how to connect the scan tool to the vehicle and how to retrieve the codes.
Fig. Fig. 7: Engine diagnostic trouble codes (4 of 4) - 1994 vehicles with a 16-pin DLC and all 1995-99 vehicles
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