Data Link Connector Identification:
NOTE: Ensure the scanner is properly connected, before proceeding.
If The Screen Is Still Blank, Perform The Following Procedure:
a. Check all cable connectors for spread terminals, proper seating, and a snug fit.
b. Check scan tool cables for broken insulation and shorted wires.
c. Check scan tool cartridge and cartridge installation.
d. Check scan tool operation on another vehicle.
- If the scan tool screen is still blank, have the unit repaired.
On-Board Diagnostic Connector Identification (Wire Color May Vary By Model):
- If it now performs properly, check power and ground to the data link connector of problem vehicle.