Line Pressure Test

6F50

Line Pressure Test










NOTICE: Carry out the Line Pressure Test prior to carrying out the Stall Speed Test Stall Speed Test. If the line pressure is low at stall, do not carry out the Stall Speed Test or further transaxle damage will occur. Do not maintain Wide Open Throttle (WOT) in any transaxle range for more than 5 seconds.

NOTICE: Do not mistake the transmission fluid drain plug for the line pressure tap plug or the transmission fluid will have to be refilled.

This test verifies that the line pressure is within specification.

1. Connect a pressure gauge to the line pressure tap.

2. Start the engine and check the line pressures see the line pressure chart to determine if the line pressure is within specification.

Line Pressure Chart:

a All pressures are approximate.

3. If the line pressure is not within specification, Go To Pinpoint Test A Pinpoint Test A: Transaxle Control Solenoids to diagnose the Line Pressure Control (LPC) operation. If LPC operation is OK, see the Line Pressure Diagnosis Chart for line pressure concern causes.

4. When the pressure tests are completed, install the pressure tap plug.
- Tighten to 9 Nm (80 lb-in).

Line Pressure Diagnosis Chart: