P1784
Test 1 Through 2:
Test 3 Through 7:
Test 8 Through 12:
Symptom:
P1784-LR PRESSURE SWITCH SENSE CIRCUIT
When Monitored and Set Condition:
P1784-LR PRESSURE SWITCH SENSE CIRCUIT
When Monitored:Whenever the engine is running.
Set Condition:The appropriate code is set if one of the pressure switches are open or closed at the wrong time in a given gear .
POSSIBLE CAUSES:
LOSS OF PRIME (P-1791) PRESENT
RELATED RELAY DTC'S PRESENT
INTERMITTENT WIRING & CONNECTORS CONDITIONS
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
L/R PRESSURE SWITCH SENSE CIRCUIT OPEN
L/R PRESSURE SWITCH CIRCUIT SHORT TO GROUND
L/R PRESSURE SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
L/R PRESSURE SWITCH
TCM (L-R PRESSURE SWITCH)