PZ1552
Wiring Diagram:
CIRCUIT DESCRIPTION
DTC PZ 1552 indicates that the keep alive - or "long term" - memory in the PZM has been reset. It is a normal occurrence whenever power or ground is removed from the PZM, such as anytime the battery has been disconnected and reconnected.
ACTION TAKEN (BY PZM)
PZM memory is reset to initial values: The PZM will initialize the KAM contents to default:
Fuel Level Empty
Afterblow Mode Disable
Afterblow Alarm Disable
Controlled Power Timer Set to full time
Low Power State Set to "unknown"
Power Down Hours Clear
Shutdown No Controlled Power Shutdown
Storage Mode State Disable
Key Cylinder State Inactive
Class 2 Bus State Unknown
Driver Door Jamb Closed
Other Doors Jamb Closed
Ignition State Current State
TROUBLESHOOTING HINTS
If DTC PZ 1552 sets without a battery disconnect, ensure good terminal contacts at Connector C1 terminals "A12" and "B3".