Skylark V6-3100 3.1L VIN M SFI (1996)
Brake Light Switch: Diagnostic Aids
Obdii Circuit Repairs
Repairs for On-Board Diagnostics II (OBDII) emission control circuits follow the procedures stated in Wire Repair Procedures. When servicing
OBDII circuits, the following guidelines are also essential:
^
Do not move or alter grounds from their manufactured locations.
^
Do not tie aftermarket accessories into OBDII circuits.
^
Only repair OBDII circuits in accordance with the manufactured configuration.
^
Always replace a relay in an OBDII circuit the same replacement part. Damaged relays should he discarded, not repaired.
^
Refer to Power and Ground Distribution to identify OBDII circuit fusing. See: Power and Ground Distribution
^
Make sure that CPA (connector position assurance) locks and TPA (terminal position assurance) locks are reinstalled on connectors that use them.
^
After repair of connectors or connector terminals, make sure to achieve proper terminal retention. Refer to Repairing Connectors for procedures.
^
Before repairing OBDII heated oxygen sensors and related wiring, always review the special repair guidelines provided under Heated Oxygen
Sensor (HO2S) Repair.
^
When installing an electrical ground fastener, he sure to apply the specified torque. Ground torque specifications are listed in Power and Ground
Distribution. See: Power and Ground Distribution
^
After repair of connectors, make sure to reinstall connector seals, where used. Inspect seals for wear and damage. Replace worn or damaged seals.
