For 1990-2009 cars only
Refer to Body Electrical Schematic Diagrams for wiring views.
Circuit Description
This diagnostic test checks for the loss of or invalid Platform Zone Module (PZM or body control module) serial data to the PCM. When such a condition exists for 11 seconds DTC P1610 is set.
Conditions for Running the DTC
DTC P0322 is not set.
Conditions for Setting the DTC
| • | Ignition switch ON for 5 seconds and PCM not receiving PZM data. |
| OR |
| • | PCM unable to communicate with the PZM for at least 11 seconds. |
Action Taken When the DTC Sets
| • | The Malfunction Indicator Lamp (MIL) will not illuminate. |
| • | No message will be displayed. |
Conditions for Clearing the DTC
| • | A History DTC will clear after forty consecutive warm-up cycles with no failures of any non-emission related diagnostic test. |
| • | A Last Test Failed (current) DTC will clear when the diagnostic runs and does not fail. |
| • | Use a scan tool to clear DTCs. |
| • | Interrupting PCM battery voltage may or may not clear DTCs. This practice is not recommended. Refer to Powertrain Control Module Description . |
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the Powertrain On-Board Diagnostic (OBD) System Check? | -- | Refer to PZM System Check |
