P0970

Diagnostic Chart:

Schematic:

The shift pressure control (PC) solenoid is used to control pressure to the second coast clutch (EI) when in 2nd, 3rd, and 4th gears. The shift pressure control solenoid also controls the direct clutch (C2) when in 5th gear and reverse. The shift pressure control solenoid is pulse width modulated (PWM) by the transaxle control module (TCM) whenever the engine is running. The TCM controls the shift pressure control solenoid by pulse with modulating an internal driver that pulls the solenoid circuit voltage. When shift pressure control solenoid is commanded ON, pressure to second coast clutch (B1) and direct clutch (C2) is lowest. The shift pressure control solenoid ground circuit is monitored for current flow. DTC P0970 sets if the TCM detects low current flow through the shift pressure control solenoid

DTC PARAMETERS
DTC P0970 sets if low current is detected through the shift pressure control solenoid and:
^ The engine is running
^ Transaxle is not operating in any Protection mode
^ Condition exists for at least 12.5 seconds

The TCM will command Transaxle Protection Mode ON if this DTC is active.

DTC P0970 is a type A DTC.

DIAGNOSTIC AIDS
To locate an intermittent problem, use a scan tool to monitor Shift PC Solenoid Actual Current with the ignition On, engine Off. Wiggling wires while watching for a change on Shift PC Solenoid Actual Current may locate the area where an open or high resistance in the wiring could lie.

Shift pressure control solenoid current: 92 mA-1356 mA

Shift pressure control solenoid resistance: 3.8-8.3 ohms