Acura 3.5 RL Manual page 392

(From page 11-66)
Check for an open in the wire
(K-line):
Check for continuity between the
DLC 16P connector terminal No.
15 and PCM connector terminal
D4.
Is there continuity?
YES
Check for a short in the wire (MIL
line):
Turn the ignition switch ON (II).
Does the MIL come on?
NO
Substitute a known-good PCM
and recheck (see page 11-41
immobilizer information). If
symptom/indication goes away,
replace the original PCM.
NO
Repair open in the wire between
the DLC and PCM (D4).
Repair short in the wire between
YES
the gauge assembly and PCM
(A7).
for
DATA LINK CONNECTOR (DLC) (16P)
Wire side of female terminals
PCM CONNECTOR D (22P)
Wire side of female terminals