B2503
Circuit DescriptionWhen the transaxle is in "Park" the PZM drives the Park Relay Output "low," enabling the Brake Transaxle Shift Interlock (BTSI). The PZM monitors this output and determines the Actual voltage every 1000ms.
DTC Will Set When:
The Park Relay Output is active and the PZM determines the output is "high" for two consecutive monitoring cycles.
DTC Will Clear When:
The Park Relay Output is active and the PZM determines the output is "low" for two consecutive monitoring cycles.
Troubleshooting Hints
Check CKT 434 (ORN/BLK) for a short to voltage.