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P1320 Diagnostic Trouble Code Discussion for February 2011

Ignition Control Signal Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1320
Help Request Posted
1997 Infiniti Q45 T 4.1L MIL Lamp on VIN: JNKBY31A4V
P1320: Ignition Control Signal Circuit Malfunction. ... is throwing a p1320 coil primary circuit code. It came on after I replaced #7 coil. Have been doing some searching online and some talking to other techs here and most are saying to replace all the coils to fix the problem. The car runs great but it has th...
February 01, 2011
1999 Infiniti Q45 4.1L MIL Lamp on VIN: JNK3LBY31A
P1320: Ignition Control Signal Circuit Malfunction. We replaced ignition coils with dealer part. Checked wiring as suggested by alldata. I even try another used computer The code sets at second ignition cycle. Identifix as no idea and we try to run a wire from pcm to the coil which had a drift waveform signal,(...
February 13, 2011