BB Unable To Enter Drive Cycle Diagnostics

Unable to Enter Drive Cycle Diagnostics

PINPOINT TEST BB: UNABLE TO ENTER DRIVE CYCLE DIAGNOSTICS:

PINPOINT TEST BB: UNABLE TO ENTER DRIVE CYCLE DIAGNOSTICS (Continued):

Drive Cycle Diagnostics has not been entered. There are five possible causes:
1. STAR Tester is inoperative.
2. Battery Positive Voltage (B+) power supply circuit is inoperative.
3. Ignition switch circuit is inoperative.
4. Self Test Input (STI) circuit is inoperative.
5. Self Test Output (STO) circuit is inoperative.