DRB III No Response Messages

Test 1-3:

Test 4-8:

Test 9:

Symptom:
DRB"N0 RESPONSE" MESSAGE

POSSIBLE CAUSES
PCM, ABS FUSE #10 DEFECTIVE
CAB GROUND CIRCUIT(S) OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORT TO GROUND
CCD BUS(+) CIRCUIT OPEN
CCD BUS(-) CIRCUIT OPEN
CAB CONNECTOR OBSERVABLE DEFECT
CAB DEFECTIVE