S3 Check Pin 1 Ground

S3 CHECK PIN 1 GROUND

- Check for continuity between Pin 1 on the harness side connector and a known good chassis ground.

Is there continuity?

> Yes
Go to Pinpoint Test S4. S4 Continuity Check, Circuit 533 (T/R)

> No
Repair the open in Circuit 57 (BK). Go to Pinpoint Test S9. S9 Check For DTC Repeatability