No Response From Sentry Key Immobilizer Module (SKIM)

Tests 1 - 3:

Tests 4 - 9:

SYMPTOM
NO RESPONSE FROM SENTRY KEY IMMOBILIZER MODULE

POSSIBLE CAUSES
- Replace PDC fuse
- Fused B+ circuit shorted to ground
- SKIM fused B+ circuit shorted to ground
- Fused B+ circuit open
- Fused ignition switch output circuit open
- Ground circuit open
- CCD Bus (+) circuit open
- CCD Bus (-) circuit open
- Sentry key immobilizer module