Test J

PINPOINT TEST J: DTC B2374 PSD DETENT SWITCH CIRCUIT SHORT TO GROUND

Test J1-J2:

Test J2-J5:

Test J5-J7:

Test J7-J9:

Normal Operation
The PSD latch has 2 positions that are monitored (during a close operation) by the PSD module, a primary and a secondary. Just before the PSD detent switch reaches the secondary latch position (partially latched), a momentary ground signal is received by the PSD module on circuit 1227 (WH). Just before the PSD detent switch reaches the primary latch position (fully latched), another momentary ground signal is received by the PSD module on circuit 1227 (WH). If the PSD module detects a grounded signal on circuit 1227 (WH) during a power open, DTC B2374 sets.

Possible Causes
- circuit 1227 (WH) short to ground
- PSD detent switch
- PSD contacts
- LPSDM
- RPSDM