When the PZM receives a serial data message that the transaxle is in park, the PZM grounds CKT 434 (ORN/BLK) enabling the PARK relay. The PZM monitors this output and determines the actual voltage.
The PZM determines that CKT 434 (ORN/BLK) is shorted to ground..
The PZM will continue commanding the requested state until the state is achieved or until the request changes.
The PZM determines that CKT 434 (ORN/BLK) is no longer shorted to ground.
Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Was the Body Control Module Diagnostic System Check performed?  | Go to Step 2  | ||
2  | 
 Is voltage present?  | --  | Go to Step 3  | Go to Step 4  | 
3  | Repair the short to battery positive voltage in CKT 434 (ORN/BLK). Is the repair complete?  | --  | --  | |
4  | Replace the PZM. Refer to Body Control Module Replacement . Is the repair complete?  | --  | --  |