Table of Contents
Advertisement
5A-106 Automatic Transmission:
Scan Tool Output
Control
Shift PC Sol. Electrical —
Additional Menu
Selections
• The TCM commands the amperage, current, to the shift pressure
control solenoid in order to control transmission line pressure. As
the amperage increases, the line pressure decreases. As the
amperage decreases, the line pressure increases. The
amperage range is 0.20-1.10 and may be commanded in one-
tenth amp increments.
• When the ignition is ON, and the engine is OFF, the reference,
commanded, amperage may be controlled within calibrated
limits. The scan tool parameter "Shift PC Sol. Ref. Current"
changes, but the parameter "Shift PC Sol. Actual Current" does
not change. The reference current remains until commanded
otherwise.
• When the engine is running, the following control limits apply:
– If output control is attempted while the engine is running, the
– Transmission range DTCs must not be active. If a
Description
message "Output control not allowed while engine is running"
appears on the scan tool display.
transmission range DTC is active, the message "Engine
running with transmission DTC present" appears on the scan
tool display.
Advertisement
Table of Contents
Troubleshooting
