Prelude Type-SH L4-2157cc 2.2L DOHC H22A4 (VTEC) 16V (1998)
General Module: Symptom Related Diagnostic Procedures
Faulty Communication Line Symptoms
Open in the line:
If the is an open in a communication line, most of the systems do not operate because one of the control units cannot wake up the other control units.
But the control unit that is not awake can wake up by operating a switch related to the control unit.
All of the control units wake up by turning the ignition switch ON (II).
Short in the line:
^ Most of the systems do not operate because one of the control units cannot wake up the other control units.
^ The control unit can wake up by a related switch operation, but the other control units cannot wake up.
^ All of the control units wake up by turning the ignition switch ON (II).